Why is XL 40?

What does 40 in Roman Numerals Mean? To write 40 in roman numerals, we will first express 40 in expanded form. 40 = (50 – 10) = (L – X) = XL. Hence, 40 in roman numbers is expressed as XL.

What is XC in Roman number?

90
XC = (C – X) = (100 – 10) = 90. Hence, the value of Roman Numerals XC is 90.

What is XL in Arabic numerals?

The Roman numeral XL corresponds to the Arabic number 40.