Ratio to Fraction Calculator

Enter A:B to see A/B plus each part as a reduced fraction of the combined total A+B.

Ratio A

Ratio B

2/3Ratio as quotient A/B

2/5A as part of whole

3/5B as part of whole

40%A of total

60%B of total

“Ratio to fraction” can mean A/B or each part as a fraction of A+B. This tool shows both interpretations instead of silently choosing one.

How to use this Ratio to Fraction Calculator

Enter A:B to see A/B plus each part as a reduced fraction of the combined total A+B.

What it calculates

Convert a two-part ratio into quotient and part-of-whole fractions.

Ratio model

These pages treat ratios as mathematical proportional relationships. A real-world application can still require compatible units and context before two quantities should be compared directly.