Fractions

> Using Cross Product to find Equivalents
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Determining if two fractions are equivalent by
using cross product.

Cross Product

you can also cross multiply the fractions to know if
the fractions are equivalent

example

cross product equivalent fractions

3 x 15 = 45 and 5 x 9 = 45

The two fractions above are equivalent because
their cross products are the same.

 

The two fractions below are not equivalent because
their cross products are not equal.

not equivalent fractions

Note equivalent fractions