6 1/3
Пошаговое объяснение:
1. 8 - 5 1/3 = 7 3/3 - 5 1/3 = 2 2/3
2. 2 2/3 + 3 5/6 = 2 4/6 + 3 5/6 = 5 9/6 = 6 3/6 = 6 1/2
