How to use the fraction calculator
- Type the first fraction, for example 2/3 or 1 1/4.
- Choose add, subtract, multiply or divide.
- Type the second fraction and read the simplified result.
Working with fractions
Enter fractions, mixed numbers, whole numbers or decimals, choose an operation and get the result as a simplified fraction, a mixed number and a decimal.
Simplifying
Results are reduced to lowest terms by dividing the numerator and denominator by their greatest common divisor.
Where fractions are used
Fractions show up in recipes, measurements in inches, music, probability and homework. Converting to decimals makes comparing sizes easier.
Frequently asked questions
How do you add fractions?
Give them a common denominator, then add the numerators: 1/2 + 1/3 = 3/6 + 2/6 = 5/6.
How do you divide fractions?
Multiply by the reciprocal of the second fraction: 2/3 รท 4/5 = 2/3 ร 5/4 = 10/12 = 5/6.
What is a mixed number?
A whole number and a proper fraction together, like 1 3/4, which equals 7/4.
How do I simplify a fraction?
Divide the top and bottom by their greatest common divisor. 8/12 divided by 4 is 2/3.