Question

please answer the question​

Answer 1

Step-by-step explanation:

first take out the HCF of the the numbers which are written under line then u can get same numbers then u are able to do it in descending order..

Answer 2

Step-by-step explanation:

1. 2/9=0.99

2/3=0.66

8/21=0.3

so the descending order is 2/9,2/3,8/21

2.1/5=0.2

3/7=0.47

7/10=0.7

so descending order is 7/10,3/7,1/5