Question

If Julie needs three and one fourth cups of oatmeal How many one fourth cups of oatmeal will she use

Answer 1

There are four 1/4 cups in a total cup, so the 3 cups add up to 12 1/4 cups.
Then you add the single 1/4 cup, and your answer is:
13 fourth cups.

Answer 2

13
3x4=12
12+1=13

hope this helps :)