Yes.
7/10 is in its lowest terms.
360 over 2520 in lowest terms is 1/7
It is already in lowest terms.
21 over 12 in lowest terms = 7/4 or 13/4 or 1.75
7 over 120 is already in lowest terms.
44/28 = 11/7
The lowest terms for 28 over 180 = 7/45
42 over 204 in lowest terms = 7/34
30 over 35 in the lowest terms = 6/7
63 over 108 in lowest terms is 7/12
18 over 21 in lowest terms is 6/7
126 over 147 in lowest terms is 6/7