45 in Roman Numerals

45 in Roman Numerals is XLV. To represent any number in Roman numerals, the 7 primary symbols are used with certain rules. Refer to the rules of Roman numerals. 45 is represented as XLV in the Roman numeral system. XLV has both the addition and subtraction rules followed. In the representation XLV, XL represents ( the difference of 50 and 10) and V is added to the result from XL. 

How to Write 45 in Roman Numerals?

To convert 45 in Roman Numerals, we need to split the number according to the available symbols. i,e I, V, X, L, C, D, and M.

The simple way to split 45 will be 40 + 5. (But there is no letter for 40.) 

Hence 40 can be represented as the difference between 50 and 10.

40 = 50 – 10 ( L – X) = XL

And 5 = V

45 = 50 – 10 + 5

45 = XL + V

Therefore 

45 = XLV

Video Lesson on Roman Numerals

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