27/4 as an improper fraction is already in its simplest form
27/4 is in its simplest form.
This can't be further simplified - 27 and 4 have no common factor.
3/4
27/4
27/36 = 3/4
27/108 = 1/4
4 over 10 in simplest form would be 2 over 5.
It is already in its simplest form as 4/13
4 over 27
4/27
4/27
4/9