the answer to the reduced ratio of 58 to 42 is 29 to 21.
42 / 63 = 66.666666666667%
42/100
28 : 42 = 2 : 3
42
42 to 18 is 42:18 is 42/18 Which is 2 1/3
It is 42/37, which cannot be simplified.
42/50 = 21/25
28 : 42 = 2 : 3
The ratio works out as 7 to 60
It is: 1 to 3.
7:21