27 - 60 = -33
-9/20 1 - 1/2 - 1/3 - 1/4 - 1/5 - 1/6 = 60/60 - 30/60 - 20/60 - 15/60 - 12/60 - 10/60 = -27/60 = -9/20
420 minus 60 is 360.
28 minus 27 is 1.
4370 minus 27 is 43.
50 - 27 - 14 = 9
27 - 9 - 6 = 12
8:30 minus 60 minutes is 7:30 830 minutes minus 60 minutes is 770 minutes.
60 - (-60) = 120
x = 10 Minus 6 times 10 = minus 60 Add 3 to minus 60 = minus 57
60
60 - 11 = 49
60-39=21.