Fraction Calculator
Add, subtract, multiply or divide two fractions, with simplification and decimal value.
Input Data
Fraction or decimal input.
N1
D1
Dec
N2
D2
Add / subtract / multiply / divide.
Results
Simplified fraction result.
2/3
Decimal of the result.
0.666667
Explanatory note about the result.
12/18 = 2/3
At a glance:a/b ± c/d = (ad±bc)/bd; (a/b)(c/d)=ac/bd; (a/b)/(c/d)=ad/bc, then simplify by gcd. Complements decimal and reciprocal.
Formula
a/b + c/d = (ad+bc)/bd.
(a/b)·(c/d) = ac/bd.
How to Use
- Enter both fractions and an operation.
- The tool returns the simplified fraction and decimal.
Case Studies
1/2 + 1/3
(3+2)/6 = 5/6 ≈ 0.8333.
FAQ
How is it simplified?
Divide numerator and denominator by their gcd.
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References
Content review: Calculatorism Science Team. Results are for reference only; please refer to the relevant authorities for the official figures.