990 in Roman Numerals is CMXC. Any Roman numeral uses only the 7 primary symbols which are I, V, X, L, C, D, and M. Here M represents 1000, C represents 100 and X represents 10. 990 can be obtained by using the 3 primary symbols M, C and X. For understanding the rules on Roman Numerals, you can refer to the link Rules to write Roman Numerals. The details on how to write 990 is given in the next section of this article.
Number |
Roman Numeral |
990 |
CMXC |
How to Write 990 in Roman Numerals?
To convert 990 in Roman Numerals, we need to represent 990 as the sum of the fundamental symbols. 990 can be expressed in terms of 1000, 100s and10s, as 1000, 100 and 10 have the primary symbols. Also we cannot repeat the letters more than thrice, to get 90, we need to use the subtraction rule. So 900 will be 1000 – 100 and 90 will be 100 – 10.
Hence
990 = (1000 – 100) + (100 – 10)
990 = (M – C) + (C – X)
990 = CMXC
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