Hello , please i tried to make a sum on hours and minute when i convertet to decimal i don't get same result
here the exemple in excel sheet

and here the function that i used in sql server
sum(cast(datepart(hour, [HOUR]) + (datepart(minute, [HOUR])) / 100.00 as decimal(5, 2)))
any idea please how to fix this by function in sql server to get same result 23:38
thank you