How do you calculate elapsed clock time?

[Marshaa]

I created a spreadsheet needing to compute elapsed (clock) time between two columns (=I8-H8). I need the total minutes to not go over 60, but to record as an extra hour. Different formatting choices do not seem to work and compute results I am looking for.

 

[Vasant Nanavati]

Format as [h]:mm or [h]:mm:ss.

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Vasant

I created a spreadsheet needing to compute elapsed (clock) time between

two columns (=I8-H8). I need the total minutes to not go over 60, but to
record as an extra hour. Different formatting choices do not seem to work
and compute results I am looking for.