Question

Решите пожалуйста срочно

Answer 1

2/3 : 7/9 = 2/3 * 9/7 = 2/1 * 3/7 = 6/7

6/1 : 3/5 = 6/1 * 5/3 = 30/3 = 10

4 1/2 : 3 3/4 = 9/2 * 4/15 = 3/1 * 2/5 = 6/5 = 1 1/5 = 1,2

20/21 : 15/1 = 20/21 * 1/15 = 4/21 * 1/3 = 4/63