No, it can be simplified further.
it is 3
It is: 135/360 = 3/8
It is: 135/216 = 5/8 simplified
It is: 78/126 = 13/21 simplified
126/12 = 21/2 or 10.5
1 over 9
135/352 is already in its simplest form
1/2
It is: 9/14
It is: 126/162 = 7/9 simplified
It is 63/126 = 1/2 simplified