Question

Myndi poured 7/8 cup of milk into her cereal. Charlie poured 4/8 cup of milk into his cereal.


How much less milk did Charlie use than Myndi used?

A. 1/8 cup
B. 3/8 cup
C. 4/8 cup
D. 11/8 cup

Answer 1

b. 

subtract to find the difference 

7/8 - 4/8 = 3/8

Answer 2

Since they're asking how much less did charlie use than Myndi your
subtracting the amounts of milk they used
 Since Myndi used 7/8
And Charlie used 4/8
Charlie used 3/8 less then what Myndi used so your answer would be 
B.) 3/8