To calculate with fractions, use this fraction calculator: enter two fractions, choose an operation and read the result, which is automatically simplified and also shown as a decimal. The tool handles common denominators and reduction for you.
How to use the Fraction Calculator
- Enter the numerator and denominator of each fraction.
- Choose add, subtract, multiply or divide.
- Read the simplified fraction and its decimal value.
- Change a value to try another problem.
Worked example
1/2 + 1/3 = 5/6, which is about 0.8333. 2/3 x 3/4 = 6/12, simplified to 1/2.
Tips and common mistakes
- To add or subtract you need a common denominator; the tool finds it for you.
- To divide by a fraction, multiply by its reciprocal.
- A denominator of zero is undefined and will be rejected.
Frequently asked questions
Does it simplify the answer?
Yes. The result is reduced to lowest terms.
Can it show a decimal?
Yes, the decimal value is shown alongside the fraction.
Can it handle mixed numbers?
Enter mixed numbers as improper fractions, for example 3/2 instead of 1 1/2.