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Ratio to Fraction Calculator

Turn a ratio like 3 : 5 into fractions of the whole, percentages and the simplified ratio.

a as a fraction of the whole

3/8

b as a fraction of the whole
5/8
Percentages
37.5% : 62.5%
Simplified ratio
3 : 5
a ÷ b
3/5 = 0.6

Show the work

  1. The whole

    a + b

    3 + 5 = 8

  2. a's share of the whole

    a ÷ (a + b)

    3 ÷ 8 = 3/8

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