Hi,
Try below solution
select
convert (int , ( sum( (CONVERT(INT, actHours) * 60 ) + ( ( actHours - (CONVERT(INT, actHours) ) ) * 100 ) )/60 ) ) +
( ( sum( (CONVERT(INT, actHours) * 60 ) + ( ( actHours - (CONVERT(INT, actHours) ) ) * 100 ) )/60 )-
convert (int , ( sum( (CONVERT(INT, actHours) * 60 ) + ( ( actHours - (CONVERT(INT, actHours) ) ) * 100 ) )/60 ) ) ) * .60,
MAX(actDate)
FROM TABLE_1 GROUP BY actDate