Multiply the fraction part by 60. 60*0.32 is 19.2
Subtracting 42 minutes from 15 hours 19 minutes gives 14 hours 37 minutes.
1159
138.75 minutes is 2 hours and 18.75 minutes or 2 hours and 19 minutes
There are 19*60 = 1140 minutes
679 minutes is 11 hours and 19 minutes.
Two hours and 19 minutes.
19 hours, 57 minutes
This is 4 hours, 19 minutes.
439 minutes is 7 hours and 19 minutes.
3 hours 19 minutes
1 day, 19 hours, 54 minutes.
There are: 319/60 = 5 hours and 19 minutes