Table Of Contents
Last updated on February 24th, 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 more. Here we will be discussing Roman Numerals, rules, and examples.
Royal titles, such as Henry I, Henry II, and so on, use Roman Numerals. Have you noticed these symbols and wondered what they represent? Those are the Roman Numerals.
People in ancient times used fingers, sticks, bones, etc., to count. As life became complex, a standard system was required. The 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.
In Roman Numerals, we use CDLXXV to represent 475. Here, C is 100, D is 500, L is 50, X is 10, and V is 5. 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 the smaller number is placed after the larger number. For example, LX → L + X → 50 + 10 = 60.
To write a larger number, certain Roman Numerals can be repeated up to three times. III → 3.
If a small number is followed by a larger number in Roman Numerals, we subtract the smaller number from the larger number. For example, IV → V - I → 5 - 1 = 4.
The 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. We write 8 as VIII, not IIIIIIII.
Let’s now learn how to write 475 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 475 in Roman numerals using the expansion method. To write 475 in Roman Numerals, follow the steps:
Step 1: The number is broken down based on the place value. Place values are ones, tens, hundreds, etc. For 475, we write it as 400 + 70 + 5.
Step 2: Convert the number into Roman Numerals: 400 in Roman Numerals — CD 70 in Roman Numerals — LXX 5 in Roman Numerals — V
Step 3: Combine the Roman Numerals together. Therefore, 475 in Roman Numerals is CD (400) + LXX (70) + V (5) = CDLXXV.
When writing a large number into Roman Numerals, we group the number. To write 475 in Roman Numerals, we group 475 as 400 + 70 + 5.
So, 475 is written as CDLXXV in Roman Numerals.
Find the quotient of CMXL and II.
A historian found MMMCCCLXXV ancient coins and decided to distribute them equally among VII museums. How many coins will each museum receive?
Calculate the total of CCL and CCXXV.
What is the difference between D and XXV?
Express the sum of CCCL and CXXV in Roman numerals using the expansion method.
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.