Fraction Calculator

Add, subtract, multiply, and divide fractions step by step.

Fraction Calculator

Enter two fractions and select operation

+ − × ÷

Show as Mixed Number

Decimal Number

Your Results

Result (Simplified)

Mixed Number

Decimal

Enter your fractions above and tap Calculate to see the result.

Step-by-step Solution

Fraction Formulas

Addition: a/b + c/d = (ad + bc) / bd
Subtraction: a/b − c/d = (ad − bc) / bd
Multiplication: a/b × c/d = ac / bd
Division: a/b ÷ c/d = ad / bc

Tips

All results are automatically simplified using the GCD.

Mixed numbers are shown when the numerator is larger than the denominator.

Use the Decimal to Fraction tab to convert any decimal number to a fraction.

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Pro Tips

Results update as you type — change any field to see the effect immediately.

Check that every value uses the same unit before comparing results.

Use the copy button to paste the fraction figures into a note or spreadsheet.

Nothing is sent to a server, so you can use this with private figures.