Duration not summing up correctly

Jtischler , if the time data type is time and you need a sum

Time(0,0,0) + sumx(Table, hour([Datetime]) + minute([Date Time])/60 + second([Date Time])/60 ) /24

or refer

Duration
https://radacad.com/calculate-duration-in-days-hours-minutes-and-seconds-dynamically-in-power-bi-using-dax
https://social.technet.microsoft.com/wiki/contents/articles/33644.powerbi-aggregating-durationtime-in-dax.aspx
https://www.pbiusergroup.com/communities/community-home/digestviewer/viewthread?GroupId=547&MessageKey=814a2cb4-3cca-4cd1-a620-c467adeaaaf6&CommunityKey=b35c8468-2fd8-4e1a-8429-322c39fe7110&tab=digestviewer
https://community.powerbi.com/t5/Quick-Measures-Gallery/Chelsie-Eiden-s-Duration/m-p/793639#M389

The information you have provided is not making the problem clear to me. Can you please explain with an example.

Appreciate your Kudos.