Question

Anastasia has 5/6 cup of frosting. She uses 2/5 of the frosting to decorate a cake. How much frosting doesn't she use on the cake

Answer 1

2/5 and 5/6 common denominator: 30

2/5-12/30
5/6-25/30 now subtract 25/30 -12/30 :13/30

Answer 2

5/6 * 3/5= 1/2 cup

Hope it helped