Math need help or I will fail and have to go to summer school.

Question

1. There are 144 pieces of fruit in a box. Of the fruit in the box, 18are red apples and 14are green apples. The rest are oranges.
2. A.How many oranges are there altogether?
3. B.What fraction of the fruit are oranges?

Answer 1

112 are orange

112/144 = 28/36 = 7/9 are orange

7/9 = 77.777...%

= about 78 %