No.
4/20 = 1/5 simplified
20 over 8 equal 10 over 4 equal 5 over 2
1/4
No; 5/24 can't be simplified.
2 over 4 can be simplified to 1 over 2.
Yes. 4/6 = 2/3
1/4 + 1/4 = 2/4 = 1/2
No it can not become a mixed number it is as simple as it can get.
It is 1.
Yes.
Yes.
One over ten.