Fraction Calculator
Add, subtract, multiply, and divide fractions easily.
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Decimal:
Mixed Number:
Simplify Fraction
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How to Calculate Fractions
Addition & Subtraction
Find a common denominator, then add or subtract the numerators.
a/b + c/d = (ad + bc) / bd
Multiplication
Multiply numerators together and denominators together.
a/b × c/d = ac / bd
Division
Multiply by the reciprocal of the second fraction.
a/b ÷ c/d = a/b × d/c = ad / bc