How to convert a percentage to a fraction

Put the percentage over 100, then simplify the fraction by dividing the numerator and denominator by their greatest common factor.

Example:
Percentage = 75%

75/100
Divide both by 25
75 ÷ 25 = 3
100 ÷ 25 = 4

Fraction = 3/4
Decimal = 0.75

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When would you convert a percentage to a fraction?

Converting a percentage to a fraction is useful when you want to express a percentage as part of a whole. It is commonly used in mathematics, probability, statistics, measurements and everyday comparisons.

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For example, 75% means 75 out of 100. This can be written as 75/100 and simplified by dividing both numbers by 25, giving 3/4.

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Important: To convert a percentage to a fraction, place the percentage over 100 and then simplify the fraction by dividing the numerator and denominator by their greatest common factor.

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Related calculation: To convert a Fraction to a Percentage, use our Fraction to a Percentage Calculator.