Question

[nguyen khanh toan]

5/7 : 15/28 =

9/11 :21/22 =

7/9 :5/6 =

8/15: 16/25 =

Answer 1

[vũ thị thu thao]

5/7:15/28=4/3

9/11:21/22=6/7

7/9:5/6=14/15

8/15:16/25=5/6

k cho mình nhé

Answer 2

[nguyen khanh toan]

dung roi