=SUMPRODUCT(--(I7:I10))

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HTH

Bob

"add times" <add wrote in message
...
I am trying to add this times in my time sheet but I don't know what I'm
doing wrong
8:00 =TEXT(E7+H7,"h:mm) This is the formula I used to get the total for
the
day and is ok but know I can't get the total for the week


I used this =SUM(I7:I10) but it won't work.