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Last updated on February 26th, 2025

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CXXXIV in Roman Numerals

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Foundation
Intermediate
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To meet their daily commerce and administration needs, the ancient Romans developed Roman Numerals. It used a combination of seven symbols — I, V, X, L, C, D, and M to represent numbers. Roman numerals were used to record transactions, keep track of data, and label military units. In this topic, we are going to learn about the Roman numeral CXXXIV.

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What is CXXXIV in Roman Numerals?

Ancient Romans discovered that counting fingers could get very complicated after 10. So to overcome the complexity, the Roman numeric system was developed. This was widely used throughout Europe as a standard writing system until the late Middle Ages.

 

Seven symbols are used to represent numbers in the Roman numeric system — I, V, X, L, C, D, and M. The numerals are made up of different combinations of these symbols. CXXXIV in Roman numerals can be written in number form by adding the values of each Roman numeral, i.e., CXXXIV = 134.

 

Let us learn more about the Roman numeral CXXXIV, how we write them, the mistakes we usually make, and ways to avoid these mistakes.cxxxiv roman numerals

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Basic Rules for CXXXIV in Roman Numerals

When writing Roman numerals, there are a few rules that we need to follow based on the Roman numerals we are trying to write. In this section, we will learn about the rules when writing Roman numerals and how to represent them.

 

Rule 1: Addition Method:

When a larger symbol is followed by a smaller symbol, we add the numerals to each other. For example, in VIII, we have 5 + 3 = 8.

 

Rule 2: Repetition Method:

A symbol that is repeated three times in continuation increases the value of the numeral. For example, XXX = 30.

 

Rule 3: Subtraction Method:

We use the subtraction method when a larger symbol follows a smaller symbol. For example, XL = 40 (which is 50 – 10).

 

Rule 4: Limitation Rule:

Symbols cannot be repeated more than three times, and some symbols, such as V, L, and D, cannot be repeated more than once. For example, 10 is represented as X and not VV.

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How to Write CXXXIV in Roman Numerals?

Let us learn about how to write CXXXIV in Roman numerals. There are two methods that we can use to write Roman numerals:

 

  • By Expansion Method
  • By Grouping Method
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CXXXIV in Roman Numeral by Expansion Method

The breaking down of Roman numerals into parts and then converting them into numerals is what we call the expansion method. The expansion method is the breaking down of Roman numerals into numerical form and adding them to get the final number.

Step 1: Break the Roman numerals into parts.

Step 2: Now write each of the Roman numerals with its numerical digit in the place value.

Step 3: Add the numerals together.

 

For CXXXIV,

Step 1: First, we break the Roman numerals. CXXXIV = C + X + X + X + IV

Step 2: Write the Roman Numerals for each part The Roman Numeral C is 100 The Roman Numeral X is 10 The Roman Numeral IV is 4

Step 3: Combine all the numbers C + X + X + X + IV = 100 + 10 + 10 + 10 + 4 = 134. Therefore, the Roman Numeral CXXXIV is 134.

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CXXXIV in Roman Numeral by Grouping Method

Using subtraction and addition rules, we will apply the grouping method. This means we break the Roman numerals into smaller groups, which makes it easier to work with. This method groups the Roman numerals logically, and then we write the numbers for each group.

 

Step 1: Take the largest number and write the number for that Roman numeral.

Step 2: Write the Roman numeral using the subtraction and addition rules.

 

Example: Let’s take the Roman numeral CXXXIV.

Step 1: The larger Roman numerals are what we will begin with. Once split, the Roman numerals we get are CXXX and IV. The numeral for CXXX is 130.

Step 2: Now we need to either add or subtract the smaller number, depending on its place. Here we add IV to CXXX, and we will get CXXXIV. The Roman numeral IV is 4. Therefore, the numeral of CXXXIV is 134.

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Common Mistakes and How to Avoid Them in CXXXIV Roman Numerals

Students can make mistakes when studying Roman numerals. Here are a few common mistakes students make and ways to avoid them.

Mistake 1

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Mistakes when applying the repetition method

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It can be quite confusing for beginners to remember that Roman Numerals cannot be repeated more than three times. Another thing to keep in mind is that Roman Numerals such as V, L, and D cannot be repeated.

For example, writing LL as 100 is incorrect; the correct answer is C.

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CXXXIV Roman Numerals Examples

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Problem 1

Calculate the difference when CXXXIV is subtracted from CC. Write the answer in Roman numerals.

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The difference is LXVI

Explanation

Convert both Roman numerals into their decimal form:

CC = 200

CXXXIV = 134

Subtract the numbers:

200 - 134 = 66

Convert 66 into its Roman numeral:

66 = 50 + 10 + 5 + 1 = LXVI

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Problem 2

Multiply CXXXIV by III. Present your answer in Roman numerals.

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CCCXCII is the product of CXXXIV and III.

Explanation

Convert CXXXIV and III into numbers:

CXXXIV = 134

III = 3

Multiply the numbers:

134 × 3 = 402

Convert 402 into its Roman numerals:

400 (CD) + 2 (II) = CDII

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Problem 3

Divide CXXXIV by II and express the result in Roman numerals.

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LXVII

Explanation

Convert CXXXIV into its decimal form:

CXXXIV = 134

Divide by 2:

134 / 2 = 67

Convert 67 into its Roman numerals:

67 = 50 + 10 + 5 + 2 = LXVII

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Problem 4

Add CXXXIV to LXVI. Write the sum in Roman numerals.

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CC is the sum of CXXXIV and LXVI.

Explanation

Convert CXXXIV and LXVI into numbers:

CXXXIV = 134

LXVI = 66

Add the numbers:

134 + 66 = 200

Convert 200 into its Roman numerals: 200 = CC

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Problem 5

Convert CXXXIV into its decimal form.

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In decimal form, CXXXIV is 134

Explanation

Break CXXXIV into components:

C = 100

XXX = 30 (X + X + X)

IV = 4 (V - I)

Add values: 100 + 30 + 4 = 134

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FAQs on CXXXIV in Roman Numerals

1.What is XXXIV in Roman numerals?

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2.Is CXXXIV a prime number?

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3.What is CXXXIV + CXXXIV?

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4.What is CXL?

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5.Subtract XIV from CXXXIV

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Important Glossaries for CXXXIV in Roman Numerals

  • Limitation Rule: There are some symbols that cannot be repeated more than once (V, L, D). For example, LVV for 60 is wrong; the correct answer is LX.
     
  • Place value: The position of a digit in a number. This position determines its value. For example, the number 3 in 134 is in the hundred's place.
     
  • Prime Number: A number that has only two factors or multiples is called a prime number. For example, 11 is a prime number that has only two factors, 1 and itself.
     
  • Subtraction Method: A method used in Roman numerals when a smaller numeral precedes a larger one to indicate subtraction. For example, IV represents 4 (5 - 1).
     
  • Grouping Method: A way of breaking down Roman numerals into smaller groups based on addition and subtraction rules to make calculations easier.
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Hiralee Lalitkumar Makwana

About the Author

Hiralee Lalitkumar Makwana has almost two years of teaching experience. She is a number ninja as she loves numbers. Her interest in numbers can be seen in the way she cracks math puzzles and hidden patterns.

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Fun Fact

: She loves to read number jokes and games.

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