Question 796300
Calculate 12° 23’ 48” -(10° 29’ 30”)

--------
= (12-10)degrees + (23-29)min + (48-30)sec
--------
= [1 degree 60min] + (-6 min) + 18sec
--------
= 1 degree + 54 min + 18 sec
============================
Cheers,
Stan H.