Question

Выполните деление 1)4 целых 1\2:2 целых 1\4; 2)2 целых 4\5: 1 целых 2\3; 4)8 целых 1\2: 19\20.

Answer 1

1) 4 1/2 : 2 1/4 = 9/2 : 9/4 = 9/2 * 4/9 = 1/1 * 2/1 = 2
2) 2 4/5 : 1 2/3 = 14/5 : 5/3 = 14/5 * 3/5 = 42/25 = 1 17/25
3) 8 1/2 : 19/20 = 17/2 : 19/20 = 17/2 * 20/19 = 17/1 * 10/19 = 170/19 = 8 18/19