56 over 108 reduces to 14 over 27
The lowest term of 40 over 56 is 5/7
The lowest term of 66 over 168 is 33/56
7/8
16/56 = 2/7
4/7
28/39
56 over 42 (56/42) in lowest terms is 4/3 or 11/3
14 over 56 as a fraction in its lowest terms = 1/4
306 over 56 in lowest terms is 153 over 28.
14/25
56/72 reduces to 7/9
15/840 = 1/56