Question

If Julie needs 31/4 cups of oatmeal how many 1/4 cups of oatmeal will she use

Answer 1

You can turn them into decimals:
3 1/4 = 3.25          1/4 = .25
3.25 divided by .25 =  13

Answer 2

31/4 divided be 1/4 is actually 31/4x4/1 which would be 31/1 which is just 31, 1/4 cups