Add and Subtract Fractions
Online practice for grades 3-7

On this page, you can practice addition and subtraction of fractions. Each practice set will automatically include both addition and subtraction problems.

The options are:

  • You can limit the fractions in the problems to like fractions (fractions with the same denominator), for example: 1/6 + 4/6.
  • You can limit the script to use only proper fractions—fractions that are less than 1. With this option, the script will make problems such as 1/4 + 2/5, but will not make problems such as 8/5 − 4/5.
  • When you choose problems that use simplified fractions, the script will only include fractions in the problems that are in lowest terms. For example, you could get a problem such as 5/6 + 3/5, but you would not see 2/4 + 6/8.
  • The last option, when chose, allows or accepts answers to not be in lowest terms. In other words, the script will accept an answer such as 8/10.

Note: ALL answers have to be given as mixed numbers, when possible. In other words, your answer cannot be left as an improper fraction.


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Practice for a set time: min

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Give your answer in lowest terms.
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final answer
final answer

You may use the space below to write the intermediate step. Your work in this area will not be checked.

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