ж) (15 1/2 - 2 3/8) - (5/6 + 6 3/4) + (10 2/3 - 5 5/8)

(15 4/8 - 2 3/8) - (5/6 + 6 9/12) + (10 16/24 - 5 15/24) = 13 1/8 - (10/12 + 6 27/12) + 5 1/24 = 13 1/8 - 6 37/12 + 5 1/24 = 13 3/24 - 6 74/24 + 5 1/24 = (13 - 6 + 5) + (3 - 74 + 1)/24 = 12 - 70/24 = 12 - 35/12 = 144/12 - 35/12 = 109/12