1/4 of a day.
1/6
6 17/200
Roughly 11/6
6 19/20
1/6
34.8/6
If that's is recurring 6 then as an improper fraction it is 5/3
6/27 = 2/9
1 day = 24 hours. 6 hours/1 day = 6 hours/24 hours = 6/24. You can simplify that fraction if you wish.
(6 1/10) / 10
0.6 = 6/10 = 3/5
15 minutes is 1/24 of 6 hours.