Question

Joe has a bag of 24 pieces of candy. He gives 1/8 of them to a friend,

1/7 of what is left to another friend. How many pieces does he have
left?

Answer 1

18

Explanation:

1/8 of 24 is 3 = 21

1/7 of 21 is 3 = 18

Answer 2

18 pieces.

Explanation:

1/8 of 24 is 3.

24 - 3 = 21, that's how much he has left after giving it to the first friend.

1/7 of 21 is also 3.

21 - 3 = 18, there's your answer.