Fraction Calculator

Add, subtract, multiply, and divide fractions. Outputs simplified fractions and decimal representations.

Result Fraction
Mixed Fraction
Decimal Value
0.00

Frequently Asked Questions

How is a fraction simplified?
Divide both the numerator and the denominator by their Greatest Common Divisor (GCD).
What is a mixed number?
A combination of a whole number and a proper fraction (e.g. 1 1/2).
What happens if denominator is zero?
Division by zero is undefined in mathematics and will throw an error.
Can I enter negative numbers?
Yes. The calculator handles signed values naturally.
How do I convert a fraction to a decimal?
Simply divide the numerator by the denominator using standard division.

Formulas

  • Addition: a/b + c/d = (ad + bc)/bd
  • Division: a/b ÷ c/d = ad/bc
  • Denominator cannot be zero.