Time sheets: decimal to hh:mm

I'm trying to create a time sheet for employees to fill out. I have created from scratch b/c we want to know when employees are taking breaks, not just lunch. I also found that a lot of free templates have overtime - which is not an option for part-timers!

(spreadsheet attached with example times)

I have figured out how to calculate all of the times correctly. There are two "tables" on the sheet, one is time in/out and lunch hour, the other one is just for breaks. I do not have the two combined because we are not deducting breaks from their pay, just simply want to see how much time is spent on break. I understand that putting the two tables together would probly eliminate my problem.

The breaks are calculated in hh:mm (employee had 1hr and 45min of breaks, 1:45), but the regular hours worked are in decimal form (in my example the employee worked 35.25 hours, or 35 hours and 15 minutes), and I would like it to display in HH:MM (or 35:15).

I would like for F11 to be in HH:MM format. I have tried custom formatting the box, but h:mm gives me 6 (incorrect), and [h]:mm:ss gives me 846:00:00 (also incorrect). The break "table" uses the TEXT function, is there a way to incorporate that into the regular hours table? I have tried putting it in various places but nothing has worked.

Sorry this is so lengthy, trying to be thorough! I've been searching the forums all day for a question similar, but haven't been able to decipher any answers. Thanx!