Question

A group of friends went to a hamburger bar 2\5 of them bought a hamburger 1\3 of them bought chips. The rest bought cola. What fraction of the group bought food? What fraction bought a drink?​

Answer 1

11/15 bought food and 4/15 bought a drink

Explanation:

2/5 x 3 = 6/15 bought a hamburger

1/3 x 5 = 5/15 bought chips

6/15 + 5/15 = 11/15 bought food

11/15 - 15/15 = 4/15 bought a drink