Question

Inez has 2 1/4 pounds of potatoes for the picnic, she needs 8 1/2 pounds of potatoe. How many more pounds of potatoes does Inez need to buy?

Answer 1

subtract 2 1/4 from 8 1/2

make fractions have same denominator

8 1/2 = 8 2/4

8 2/4 - 2 1/4 = 6 1/4 more pounds