I am trying to add

5:49
1:50
3:00
1:45
1:40
1:28
4:08
1:28
4:08
3:40
1:55
2:00
4:35
1:16
1:40
1:45
3:32
3:40

When I sum this column I get 19:43

I formatted the cells custom h:mm:ss

What am I doing wrong

Thanks

Tom

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