7 5/6 - 3 2/3 = 47/6 - 11/3 = 25/6 = 4 1/6
7 9/20 - 5 17/30 = 149/20 - 167/30 = 447/60 - 334/60 = 113/60 = 1 53/60
7 5/6 - 3 2/3 = 47/6 - 11/3 = 25/6 = 4 1/6
7 9/20 - 5 17/30 = 149/20 - 167/30 = 447/60 - 334/60 = 113/60 = 1 53/60