Divide the top number and the bottom number by their greatest common factor.
The result depends on what number is under the 8 .
8/15 is the lowest terms.
8 over 125 is already in lowest terms as a fraction.
8/175 is already in its lowest terms
5/8 is already in lowest terms.
37.5 over 100 in its lowest terms is 3/8.
8/20=4/10=2/5
3/8 is already a fraction in its lowest terms.
It is already in the lowest possible terms. So3/8
8/6 in its lowest terms is 4/3
24 over 195 in lowest terms = 8/65
120 over 135 in lowest terms is 8/9
8/21 is in its lowest form