Fraction Calculator
Enter two fractions and pick an operation.
How this calculator works
To add or subtract, the fractions are rewritten over a common denominator. To multiply, numerators and denominators are multiplied straight across. To divide, the second fraction is flipped and then multiplied. The result is reduced using the greatest common divisor.
Frequently asked questions
How do I add fractions with different denominators?
Convert both to a common denominator, add the numerators, then simplify. The calculator does this for you.
How do I enter a whole number?
Use 1 as the denominator. For example, 3 is 3/1.
What is a mixed number?
A whole number combined with a proper fraction, such as 1 3/4.
