Therefore, LIX = 59. Roman numerals use different combinations of the same letters to create numbers. The idea is to create a combination of the fewest letters possible to create the number.

Roman numerals are a numeral system which was used in Ancient Rome. It uses letters instead of numbers to represent values. You may have seen Roman numerals on clocks and on TV or film credits.

Therefore, LIX = 59. Roman numerals use different combinations of the same letters to create numbers. The idea is to create a combination of the fewest letters possible to create the number.