Question

Shayla is baking muffins that require 1/2 cup vegetable oil. She only has 1/3 cup left. How much more does she need?

Answer 1

1/2-1/3=?

Answer 2

do I just add them?

Answer 3

No....subtract them

1/2 - 1/3

Answer 4

How do I subtract them? cause 1-1 is 0 and 2-3 is 1
so..does that give me 1/3? just use the biggest number
from the bottom?

Answer 5

You have to get them as a common denominator...

3/6 - 2/6

Answer 6

oh so that would get me 1/6?

Answer 7

Yes