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Equivalent fractions

Equivalent fractions represent the same part of a whole. If you divide a whole into quarters then take two quarters you have a half. Two quarters and one half are equivalent fractions.

Equivalent fractions can be found by:

  • multiplying both the numerator and the denominator by the same number

  • dividing both numerator and denominator by a common factor.


A fraction is said to be in its simplest form when the numerator and denominator have no common factors (except 1).

1/4 and 2/5 are fractions in their simplest form.

Test yourself

Reduce the following fractions to their simplest form. Roll your mouse over the question to see the answer.


Multiplying & dividing fractions



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