1 over 2
No, 10/49 is simplified.
yes, it is 10. 20 over 2 is 10 over 1 which is 10
1 over 10.
9 over 10
10/21
Yes. 6/20 can be reduced to 3/10.
31/3
Yes it could be simplified.
17 over 20 simplified is 17/20.
If you reduce it to lowest terms then it would be 1 over 10 or 0.10
The simplest fraction for 18/20 is 9/10.
8 over 20 simplified is 2 over 5