The answer is 15. When you do this problem, think of a clock. An hour is 60 minutes, and a quarter of that (one fourth) is 15 minutes.
60
7 with remainder 4
30
Six divided by 60 is 0.1
480 / 8 = 60
3.333 and keeps going on
60 divided by 24 is 2.5 or 2 1/2
4/27
It is: 16/4 = 4
621r3
5
21