25 in Roman numerals, how to write?

25 = XXV
Explanations below.

Roman numerals used to make the conversion:

V = 5; X = 10;
Reading rules

1. Break the number (decompose) into place value subgroups:

25 = 20 + 5;

2. Convert each subgroup:

20 = 10 + 10 = X + X = XX;
5 = V;

3. Wrap up the Roman numeral:

25 = 20 + 5 = XX + V = XXV;

25 = XXV

In Roman numerals online converter

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