Simplifying ratios
Divide both terms by their greatest common divisor.
EDUCATION & MATHS
Ratio Calculator
Simplify a two-number ratio and calculate equivalent ratios.
Simplified ratio
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Enter your details to calculate.
Ratio Calculator guide
Equivalent ratios
Multiplying both parts by the same number keeps the ratio equivalent.
Order matters
A ratio of 2:3 is not the same as 3:2.
Frequently asked questions
How do I simplify 12:18?
Divide both numbers by 6 to get 2:3.
What makes ratios equivalent?
Both terms are multiplied or divided by the same non-zero number.
Can ratios use decimals?
They can, but this simplifier uses whole-number inputs to produce clean lowest terms.