How To Write CDXX Roman Numerals In Numbers? - Byju's

CDXX Roman Numerals in numbers is 420. There are seven symbols (alphabets) used in the Roman Numeral system. They are I, V, X , L, C, D and M. They represent the numbers 1, 5, 10, 50, 100, 500 and 1000 respectively. In the given Roman numeral CDXX, the number representation is 420 which is obtained by applying the addition and subtraction rule in Roman numerals. Learn more about Roman numerals.

Roman Numeral	Number
CDXX	420

How to Write CDXX Roman Numerals in Numbers?

In CDXX, let us separate each of the primary symbols and apply the addition and subtraction rule of Roman numerals. D = 500 , C = 100, X = 10.

So, CDXX = (D – C) + X + X

CDXX = (500 – 100) + 10 + 10

CDXX = 400 + 20

CDXX = 420.

Video Lesson on Roman Numerals

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• What are Roman Numerals
• Roman Numerals 1 to 100
• Roman Numerals 1 to 50
• Roman Numerals Conversion
• 1000 in Roman Numerals

Frequently Asked Questions on CDXX Roman Numerals

Q1

How to write the Roman Numeral CDXX in number?

Roman Numeral CDXX is written as 420 in number.Q2

Does 420 have a representation in Roman Numerals?

Yes. 420 has the Roman Numeral that is represented as CDXXQ3

How to read the Roman numeral CDXX in English?

The Roman numeral CDXX is 420 and it is read as Four Hundred and Twenty.

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