Since the denominator of the fraction is prime, you know that 14/23 is already expressed in its simplest form.
The fraction 25 over 18 reduced to its simplest terms = 17/18
The fraction 18 over 1000 reduced to its simplest terms is 9/500
4 over 9
3/4
9/50
7/8
3/5
3/5
24⁄28 = 6⁄7
4/15
9/11 nine over eleven
119 over 8 is already a fraction in its simplest form.