Answer:2 cups was our starting point and we were left with 3/8 cups left after he spilled it, we are looking to find how much he spilled.
We could start by making 2 into a fraction so we could minus 3/8 easily.
2 = 16/8 (Two wholes is 16 eights.)
Now solve like a regular subtraction equation.
16/8 - 3/8 = 13/8
Our answer is 13/8 which simplified as a mixed fraction is 1 5/8
We lost 1 and 5/8 cups.
Explanation: