First, we will write MCMXXII and MCCCLXXXIX in numbers, i.e. MCMXXII = 1000 + 900 + 20 + 2 = 1922 and MCCCLXXXIX = 1000 + 300 + 80 + 9 = 1389. Now, 1922 - 1389 = 533. And 533 = DXXXIII. Therefore, DXXXIII should be subtracted from MCMXXII roman numerals to get MCCCL...
How to read a Roman Numeral Break the number into Thousands, Hundreds, Tens, and Units and, write down each in turn. Example: Convert 1989 to Roman Numerals. Break 1989 into 1000, 900, 80, and 9, then do each conversion. 1000 = M ...