It is 8/13 simplified
2 over 13
13/104 = 1/8
2/13
7/8 − 2/6 = 13/24 simplified.
It can not be simplified further.
It is: 24/39 = 8/13 simplified
13/9 cannot be simplified.
8 over 20 simplified is 2 over 5
-13/72 cannot be simplified.
7/8 - 10/13 = 91/104 - 80/104 = 11/104 which cannot be simplified.
Yes, it is simplified.