Найдите частное:1) 2 целых 13/16 : 4 целых 3/82) 3 целых

1) 2 целых 13/16 : 4 целых 3/8 = 45/16 35/8 = 45/16 8/35 = (45 8)/(16 35) = (9 1)/(2 7) = 9/14

2) 3 целых 1/3 : 2 целых 6/7 = 10/3 20/7 = 10/3 7/20 = (10 7)/(3 20) = 7/(3 2) = 7/6 = 1 целая 1/6

3) 3 целых 6/7 : 9/28 = 27/7 9/28 = 27/7 28/9 = (27 28)/(7 9) = (3 4)/(1 1) = 12/1 = 12