Last updated on May 26th, 2025
Roman numerals are a way of expressing numbers using symbols: I, V, X, L, C, D, and M. They are used in various contexts such as royal titles, book names, and sequences. Here we will discuss Roman numerals, their rules, and examples.
The use of Roman numerals can be seen in royal titles, like Henry I, Henry II, and others. These symbols (I, II) represent numbers.
In ancient times, people counted using fingers, sticks, and bones. As life became more complex, a standardized form was necessary, and the Romans developed the numeral system using I (1), V (5), X (10), L (50), C (100), D (500), and M (1000).
In Roman numerals, 762 is represented as DCCLXII, where D is 500, CC is 200, LX is 60, and II is 2. Let’s delve deeper into Roman numerals and how they are written.
Certain basic rules exist for writing numbers in Roman numerals. Here, we will discuss some basic rules to remember when writing numbers in Roman numerals.
A smaller number after a larger number indicates addition. For example, DCCLXII → D + CC + LX + II → 500 + 200 + 60 + 2 = 762.
Some numerals can be repeated up to three times to form numbers. For example, CCC → 300.
A smaller numeral before a larger numeral indicates subtraction. For example, IX → X - I → 10 - 1 = 9.
Symbols cannot be repeated more than three times. Some symbols like V, L, and D cannot be repeated. For example, 10 is written as X, not VV.
Now let's learn how to write 762 in Roman numerals using different methods:
In the expansion method, the number is broken down based on place value. Here’s how to write 762 in Roman numerals using this method.
Step 1: Break the number based on place value (hundreds, tens, ones). For 762, this is 700 + 60 + 2.
Step 2: Convert each part into Roman numerals:
Step 3: Combine them: Therefore, 762 in Roman Numerals is DCC (700) + LX (60) + II (2) = DCCLXII.
To write a large number in Roman numerals, we group the number. For 762, it is grouped as 700 + 60 + 2.
So, 762 is written as DCCLXII in Roman numerals.
Students often make mistakes when writing numbers in Roman numerals. To master Roman numerals, it's helpful to learn some common mistakes and how to avoid them.
Calculate the sum of DCCLXII and LXXXVIII.
The sum of DCCLXII and LXXXVIII is DCCCL.
To find the sum of DCCLXII and LXXXVIII, first convert them to numbers:
DCCLXII = 762
LXXXVIII = 88
762 + 88 = 850
850 in Roman Numerals is DCCCL.
A historian distributed an ancient manuscript of DCCLXII pages equally among XIX colleagues. How many pages did each colleague receive?
Each colleague received XL pages.
To find the number of pages each colleague received, divide the pages by the number of colleagues:
DCCLXII = 762
XIX = 19
762 / 19 = 40
40 in Roman Numerals is XL.
Find the difference between MDXXIV and DCCLXII.
The difference between MDXXIV and DCCLXII is DCCLXII.
To find the difference, subtract DCCLXII from MDXXIV:
MDXXIV = 1524
DCCLXII = 762
1524 - 762 = 762
762 in Roman Numerals is DCCLXII.
A collection of artifacts weighs DCCLXII kilograms, while another weighs CCXLV kilograms. What is the total weight in Roman numerals?
The total weight is MII.
To calculate the total weight, add the weights of both collections:
DCCLXII = 762
CCXLV = 245
762 + 245 = 1007
1007 in Roman Numerals is MII.
Express the product of XLII and XVIII using Roman numerals.
The product of XLII and XVIII is DCCLXII.
To find the product, multiply XLII and XVIII:
XLII = 42
XVIII = 18
42 × 18 = 756
756 in Roman Numerals is DCCLVI.
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.