Answer:
8/15
Explanation:
1/3 x 5 = 5/15
1/5 x 3 = 3/15
5/15 + 3/15 = 8/15
8/15 of an hour
Add the fractions together
1/3 + 1/5
Get a common denominator
1/3 *5/5 = 5/15
1/5 *3/3 = 3/15
Add together
4.5m questions
5.8m answers