Fraction Calculator
Add, subtract, multiply and divide fractions with simplified results.
Your details
How the fraction calculator works
Fractions are combined over a common denominator, then reduced using the greatest common divisor.
Formula
a/b + c/d = (ad + cb) / bd, then divide by the greatest common divisor
Worked example
3/4 + 5/6 = 19/12 = 1 7/12 ≈ 1.5833.
Frequently asked questions
How do I simplify a fraction?
Divide numerator and denominator by their greatest common divisor.
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