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# Dividing fractions, a pedagogical technique

Dividing fractions, as easy as pie,

Flip the second fraction, then multiply.

And don't forget to simplify,

Before it's time to say goodbye.

We have all heard the rhyme, and perhaps taught it ourselves to our students. When dividing one fraction by a second fraction, invert, that is, flip the second fraction, then multiply it by the first fraction. To multiply fractions, simply multiply across the denominators, and multiply across the numerators to get the resultant fraction. So by inverting the division of fractions we turn it into an easy multiplication of fractions problem.

## History

## Publication title

Australian Mathematics Teacher## Volume

72## Pagination

18-19## ISSN

0045-0685## Publisher

Australian Association of Mathematics Teachers Inc.## Place of publication

Australia## Repository Status

- Restricted