Subtracting fractions

by Rachelle
(united states)

Example: mary needs 3/4 of a cup she has 2/4 of a cup how much more does she need??

3/4 - 2/4 = ?

Subtract the numerator since the fractions already have a common denominator.

3/4 - 2/4 = 1/4

great work!! :)

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