They represent 900 and 40 respectively
CMXLIX (CM=900, XL=40, IX=9)
Cmxlii cm=900 xl=..40 ii=.....2 942
Xl = -10+50 = 40
It is: 40 = XL
The number 1940 is written as MCMXL in Roman numerals. M represents 1000, CM represents 900, and XL represents 40.
40 in Roman numerals are XL or XXXX
1946 m=1000 cm= 900 xl=40 vi=6
40
XL
XL
XL
XL