Example: Mary is making cupcakes. She needs 3/4 of a cup of flour. She had 2/4 of a cup flour left in the pantry.
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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