To turn hours and minutes into decimal

Question

Empleado
Start time
End Time
Total Hrs.
HrsToDecimals
Cs/Done
Total Cs/Hrs


Rag
6:55
8:15
1:20
1.33
56
43


Hohn Palmero
9:15
10:10
0:55
0.92
45
50


Ber

0:00

21
#DIV/0!


Ber
6:50
8:40
1:50
1.83
72
40


Steven

0:00

46
#DIV/0!

Dates in column TotaHrs. that has time format, I need they become decimal dates, I do it manually because I don't know if Excel has a function to do thisThanks for you answer if it exists