Fraction Calculator
Add, subtract, multiply, and divide fractions.
Free · No sign-up · Works in your browser
About the Fraction Calculator
Do fraction math free — add, subtract, multiply, or divide two fractions and get the answer fully simplified, as a mixed number, and as a decimal. Enter the numerators and denominators, pick an operation, and the result updates instantly with the greatest common divisor already reduced out. Perfect for cooking measurements, woodworking, and math homework where you need an exact fraction, not a rounded decimal.
How to use the Fraction Calculator
- 1Enter the numerator and denominator of each fraction.
- 2Choose add, subtract, multiply, or divide.
- 3Read the simplified fraction, mixed number, and decimal.
Frequently asked questions
Does it simplify the answer?
Yes — the result is automatically reduced to its lowest terms, and also shown as a mixed number and a decimal.
How do you add fractions with different denominators?
Convert them to a common denominator, add the numerators, then simplify. This calculator does all of that for you.
Can it handle improper fractions?
Yes — any numerator and denominator work, and improper results are shown both as a fraction and as a mixed number.