How do you convert hours and minutes to decimal?

Going back to decimal form is just as simple. For 1 hour and 35 minutes, you will simply divide the minutes by 60, In this case divide 35 by 60, i.e. 35/60=. 58. Back in decimal form, 1 hour and 35 minutes is the same as 1.58.

What is 7 hours and 40 minutes as a decimal?

Common Time to Hours, Minutes, and Seconds Decimal Values
Time Hours Minutes
07:30:00 7.5 hrs 450 min
07:40:00 7.667 hrs 460 min
07:50:00 7.833 hrs 470 min
08:00:00 8 hrs 480 min