Hi,
I have 205 (general format) in cell C13, 171.08 (general format) in C14. 205 is 205 hours, 171.08 is 171 hrs 8 minutes.
To subtract these I an using the following-> =SUBSTITUTE(TEXT(D13,"00.00"),".",":")-SUBSTITUTE(TEXT(C13,"00.00"),".",":").
My result is -9:52 (format h:mm). It should be...