Subtracting Roman Numerals

Add Roman Numerals: Learn

Because Roman Numerals do not have a consisten base number (such as the common Arabic base-10 system), that makes arithmetic operations more difficult.

Many students prefer to convert the Roman Numerals to Arabic numerals in order to perform arithmetic on them, and then convert the answer back to Roman Numerals.

Example: Addition

III + IV =
3 + 4 =
7 =

Example: Subtraction

IV - III =
4 - 3 =
1 =

Roman Numerals: Practice

What is the sum of the Roman Numerals?


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