Yes, they are equivalent. They simplify to 3 over 14.
Divide 42 by 56. 42/56 = 0.75
56 over 42 (56/42) in lowest terms is 4/3 or 11/3
8/56 = 1/7
Yes and it is: 32/56 = 4/7
36/42
14/11
8/19
7/4
By realizing that 28 is half of 56. 28/56 = 1/2
It is: 56/72 = 7/9 by dividing 56 and 72 by their HCF
42/48 = 7/8