7/12
75 over 21 in lowest terms = 25/7
18 over 21 in lowest terms is 6/7
Divide both by 3 12/3 = 4 21/3 = 7 Answer: 12/21 = 4/7
8/21 is in its lowest form
21 over 49 in lowest terms is 3/7
21/29 is a fraction in its lowest terms
Yes.
7 over 11
21/35 = 3/5
21/42 = 1/2
21/27 = 7/9