Fraction Calculator

Add, subtract, multiply, or divide fractions. Results are automatically simplified to the lowest terms.

How to Add Fractions

To add fractions, find a common denominator, convert each fraction, then add the numerators. Our calculator simplifies the result automatically.

Frequently Asked Questions

How do you add fractions with different denominators?
Find the least common denominator, convert both fractions, then add the numerators and keep the common denominator.

How do you simplify a fraction?
Divide both the numerator and denominator by their greatest common divisor (GCD).

What is a mixed number?
A mixed number combines a whole number and a fraction, like 2½. Divide the numerator by the denominator to convert an improper fraction to a mixed number.