math
7th Grade - Fractions

7th Grade lesson

2 - Fractions


You know how to add and subtract fractions (6th grade lesson). Now let's have a look at their multiplication and their division.

Multiplying Fractions

It is very simple. To multiply two fractions, you must multiply the numerator and the denominator of the two fractions.
multiplying fractions

Dividing Fractions

To divide by a fraction, you multiply by the inverse of the fraction. Inversing a fraction means exchanging the positions of the numerator and the denominator (the top and the bottom).
dividing fractions

Calculating with Fractions

Be careful of the priority rules during the calculations !

calculations with fractions

You need to understand these calculations well, and be able to do them again.


See also : fractions on fmaths.com



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Fractions in 7th Grade

lesson, problems