I am wanting to subtract two dates and times and have them display as d:hh:mm. However, excel "rolls over" the days once it goes beyond 31 as shown below. I am also wanting to use this d:hh:mm for numerical calculations.
2.17.15 12:00
1.17.15 6:00
31:06:00 - d:hh:mm
31.25
2.17.15 12:00
1.16.15 6:00
01:06:00 - d:hh:mm
32.25
Thanks
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