2) 5 целых 1/3*3/8 4) 5/6* 1 целая 6/5 6) 9 целых 1/7*3/4 8) 3/11*5 целых 1/2

5 1/3 х 3/8 = 16/3 х 3/8 = 2. 5/6 х 1 6/5 = 5/6 х 11/5= 11/6 = 1 5/6. 9 1/7 х 3/4 = 64/7 х 3/4= 48/7= 6 6/7. 3/11 х 5 1/2 = 3/11 х 11/2 = 3/2 = 1 1/2.