Which of the following numbers can be expressed as repeating decimals? 4 over 7 , 2 over 5 , 7 over 8 , 4 over 9

7 over 8 and 4 over 9

and ,

4 over 7 and 2 over 5

and ,

4 over 7 and 4 over 9

and ,

2 over 5 and 7 over 8