How do I convert a fraction to a percentage?

Divide the numerator by the denominator, then multiply by 100. For example, 3/4 = 0.75 × 100 = 75%.

What if the numerator is larger than the denominator?

You get a percentage greater than 100%. For example, 5/2 = 2.5 × 100 = 250%.

Convert any fraction to its percentage equivalent with step-by-step explanation.

Convert any fraction to its percentage equivalent with step-by-step explanation.

Numerator*

Denominator*

Test score

You got 18 out of 20 questions correct. What percentage is 18/20?

90%

Recipe conversion

A recipe uses 3/4 cup of sugar. What percentage of a full cup is that?

75%

Forgetting to multiply by 100

Fix: Dividing gives a decimal. Always multiply by 100 to convert to a percentage.

Reversing numerator and denominator

Fix: The numerator goes on top and the denominator on the bottom. Reversing them gives the reciprocal.