75°60'78 = ...........

75 jam 60 menit 78 detik
76 jam 1 menit 18 detik

75°60'78"= 75°+60'+78"
= 75°+60'+(78×1/60)'
=75°+60'+1,3'
=75°+61,3'
=75°+(61,3'×1/60)°
=75°+1,02°
=76,02°

maaf yah kalo salah