Fraction calculator
Add, subtract, multiply and divide fractions, with the result already simplified.
Simplified result
5/6
As decimal0.8333
How the calculation works
Add/subtract: match denominators. Multiply: numerators and denominators together. Divide: multiply by the reciprocal. Finally, divide by the GCD to simplify.
Frequently asked questions
How to simplify a fraction?
Divide numerator and denominator by their greatest common divisor (GCD).
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Updated on June 17, 2026 · by Rafael Rossi · Methodology & sources