2/7
4/14 in simplest form = 2/7
0.4286
14/8 is 7/4 in its simplest form
1/4 is in its simplest form.
If you mean 4/56 then it is 1/14 in its simplest form
7/28 = 1/4 14/11 is in its simplest form.
3/14 is already in its simplest form.
14
14
4/7
2/7
4/7