11/68 can't be simplified any more than it already is.
35/68 is already simplified
8/68 = 2/17
Nope
17/25
68/120 = 34/60 = 17/30
11/39 is simplified.
8/11 is as simplified as it can get.
11/104 cannot be simplified.
11/18 cannot be simplified - 11 is a prime number !
68/1000 simplifies to 17/250; that is as much as it can be simplified.
It is already simplified.
11/90. It cannot be further simplified.