It is 5/30, which can be simplified, if required.
5 13/15 minutes
60 minutes in an hour; 30 minutes in a half hour. 5 and 1/2 = 330 minutes
5/60 = 1/12th of an hour
1 hour = 60 minutes so 5 minutes = 1/12 of an hour
1/12
4/5
1/5
Fraction of 12 minutes of an hour is 12/60 or 1/5.
25 min / 60 minDivide both sides by 5:5 / 12 =5/12 of an hour
5/6
4/5