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### Course: Arithmetic (all content)>Unit 1

Lesson 13: Roman numerals

# Roman numerals worked example

Let's look at an example of how to convert a number from the usual Hindu-Arabic numerals to Roman numerals. Created by Aanand Srinivas.

## Want to join the conversation?

• please say for me how write 22, 33,54,76,98
• why are the captions in a another language?
• Why and who created Roman numerals
(1 vote)
• cant we write 49 as IL
(1 vote)
• When we think about how to write this number, we start with the biggest place value - 40!

Because we know that 40 is written as XL, and 9 as IX, we write 49 as XLIX. We need to think of each number by its place values :)

It can be a bit confusing for multiples of 4, but you only use the subtractive method for 40; numbers like 41, 42, etc, use the Roman numerals for 40, plus a number (like I for 1, II for 2, etc)!
(1 vote)
• What is 84 inron numbers?
(1 vote)
• Can we write 99 in Roman Numerals as IC?
(1 vote)
• thanks had a confusion with roman numbers
(1 vote)
• Please say 11101101001010880987645678909 in roman