Math
Fraction Calculator
Simplify fractions or add, subtract, multiply, and divide them.
Free to use — no sign-up or login.
Result
Decimal
This free Fraction Calculator covers Simplify fractions or add, subtract, multiply, and divide them.
Enter the Fraction Calculator fields, then read the output. Math calculators on this site keep the formula visible beside the form, with no account required.
Using the Fraction Calculator
Simplify fractions or add, subtract, multiply, and divide them. Fill the labeled fields on the Fraction Calculator and read the result. The formula stays in How it works rather than being repeated here.
FAQ
How do I use the Fraction Calculator?
Enter the labeled values on the Fraction Calculator and read the output. Simplify by dividing by the greatest common divisor.
What formula does the Fraction Calculator use?
The Fraction Calculator uses the identity in How it works. In words: Simplify by dividing by the greatest common divisor.