Question

David made fruit punch for his party but accidentally tripped and spilled 5/12 of the punch. How much of the punch was left?

Answer 1

7/12 of the punch was left; 12-5=7

Answer 2

12/12 is the whole punch.
5/12 is spilled.
12/12 - 5/12 = 7/12 is how much that is left over.