Last updated on May 26th, 2025
Roman numerals are a way of expressing numbers using symbols. I, V, X, L, C, D, and M are the symbols we use. Roman Numerals are used in royal titles, book names, sequences, and so on. Here we will be discussing Roman Numerals, rules, and examples.
The royal titles, such as Henry I, Henry II, and so on. Have you noticed the names and wondered what these symbols (I and II) represented? Those are Roman Numerals.
Earlier people used to count using fingers, sticks, bones, etc. to count earlier. When life became complex, a standard form was required to count. Ancient Romans used the Roman Numeral system to count. I (1), V (5), X (10), L (50), C (100), D (500), and M (1000) are the symbols we use to count.
In Roman Numerals, we use CDXLIX to represent 449, where C is 100, D is 500, X is 10, L is 50, and IX is 9. Let’s learn more about Roman numerals and how we write them.
There are certain basic rules to write a number in Roman Numerals. In this section, let’s discuss some basic rules that need to be remembered when writing a number in Roman numerals.
The addition method is used when a smaller numeral is placed after a larger numeral. For example, VI → V + I → 5 + 1 = 6.
To write a large number, certain Roman Numerals can be repeated up to three times. III → 3.
If a smaller numeral precedes a larger numeral in Roman Numerals, we subtract the smaller numeral from the larger numeral. For example, IX → X - I → 10 - 1 = 9.
Rule 4: Limitation Rule
Symbols cannot be repeated more than three times, and some symbols like V, L, and D cannot be repeated. For example, we won't write VV for 10; instead, we use X, and 8 is written as VIII, not IIIIIIII.
Let’s now learn how to write 449 in Roman Numerals. Follow these methods to write the number in Roman Numerals.
In the expansion method, based on the place value, the number is broken down. In this section, we will learn how to write 449 in Roman numerals using the expansion method. To write 449 in Roman Numerals, follow these steps:
Step 1: The number is broken down based on the place value: hundreds, tens, and ones. For 449, we write it as 400 + 40 + 9.
Step 2: Converting the numbers into Roman Numerals: 400 in Roman Numeral — CD 40 in Roman Numeral — XL 9 in Roman Numeral — IX
Step 3: Combining the Roman Numerals together: Therefore, 449 in Roman Numeral is CD (400) + XL (40) + IX (9) = CDXLIX
When writing large numbers in Roman Numerals, we group the numbers. To write 449 in Roman Numerals, we group 449 as 400 + 40 + 9.
So, 449 is written as CDXLIX in Roman Numerals.
Students make mistakes when writing numbers in Roman Numerals. To master Roman Numerals, we can learn a few common mistakes and the ways to avoid them.
Calculate the difference between CDXC and XLI.
The difference between CDXC and XLI is CDLIX.
To find the difference, subtract the smaller number from the larger number.
CDXC = 490 XLI = 41
490 - 41 = 449
449 in Roman Numerals is CDXLIX.
A historian found DCCCXLVIII ancient coins and distributed them equally among II tribes. How many coins did each tribe receive?
Each tribe received CDXLIX coins.
To find out how many coins each tribe received, divide the total number of coins by the number of tribes.
DCCCXLVIII = 848 II = 2
848 / 2 = 424
424 in Roman Numerals is CDXLIV.
A puzzle requires finding the sum of CCLXVIII and CLXXXI. What is their sum in Roman numerals?
The sum of CCLXVIII and CLXXXI is CDXLIX.
Add the two numbers together to find the sum.
CCLXVIII = 268
CLXXXI = 181
268 + 181 = 449
449 in Roman Numerals is CDXLIX.
If a merchant had DCDXLIX oranges and sold XCV, how many oranges are left?
The merchant has CCCCLIV oranges left.
Subtract the number of oranges sold from the initial amount to find the remaining oranges.
DCDXLIX = 949
XCV = 95
949 - 95 = 854
854 in Roman Numerals is DCCCLIV.
Write the Roman numeral for 449 using the additive method.
The Roman numeral for 449 is CDXLIX.
Using the additive method, break down the number into components of Roman numerals and add them together.
400 = CD
40 = XL
9 = IX
Combine them: CD + XL + IX = CDXLIX.
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.
: She loves to read number jokes and games.