Well since both 15 and 55 are both multiples of five, that would simplify to 3/11, after dividing both sides by 5.
15/16 is in its simplest form.
7/15 is in its simplest form.
3/4
5/6
3/4
15/4 is in its simplest form.
3/5
5/11
3/4
1/12
Yes.
one over five