3/7
30 over 35 in the lowest terms = 6/7
6/35 is already in lowest terms.
20 over 35 reduced to its lowest terms is 4/7
20 over 35 as a fraction in lowest terms is 4/7
70 over 272 in lowest terms is 35/136
115 over 175 in lowest terms is 23/35
21/35 = 3/5
It is: 63/35 = 9/5
5/35 = 1/7
4/35
1/5
5/7