Multiplying And Dividing Fractions. For instance: When it's possible, you reduce the fraction by cancelling off common factors; that is, you cross out Dividing fractions is just about as easy as multiplying them; there's just one extra step. Multiplying fractions is easy: you multiply the top numbers and multiply the bottom numbers.

This is the quickest technique for dividing fractions.
Then you need to write the answer in lowest terms.
Fractions, decimals and percentages can all have the same values and you may find it useful to know how to convert between them. This will reduce the need for large To divide fractions, multiply the first fraction by the reciprocal of the second. To divide fractions the rule is Divide numerator by numerator and denominator by denominator.