Becky eats 1/3 of an apple pie and Joe eats 1/4 of the same pie.

Answer 1

Assistance

Answer 2

What type of question is it? Addition? Subtraction?

Answer 3

It helps to convert to decimals.
.33 + .25 = .58 of the pie is eaten. Subtract from 1 to find remainder.

Answer 4

So what is the question?