Three-quarters subtract three-eighths equals what?
We can use a model to help us calculate the answer. This square has been divided into four equal parts or quarters. We need to shade three-quarters. We need to subtract three-eighths. So we need to divide our square into eight equal parts. This helps to show us that three-quarters is equal to six-eighths.
Now we can subtract three-eighths. We’ve subtracted one-eighth, two-eighths, three-eighths. And we’re left with three-eighths. Three-quarters take away three-eighths equals three-eighths.