10 over 42 in lowest terms = 5/21
21/42 = 1/2
No because 34/42 = 17/21 in its lowest terms
42 over 204 in lowest terms = 7/34
56 over 42 (56/42) in lowest terms is 4/3 or 11/3
2 and 1 over 3 or 2 1/3
28/42 is 2/3 in its lowest terms
8 over 7
1/42
9/14
42/25
4/7