21/42 = 1/2
Yes, 18/42 = 9/21
18/42 = 9/21 = 3/7
the answer to the reduced ratio of 58 to 42 is 29 to 21.
30 over 42 can be reduced to 5/7
Using standard algebraic notation, "42 over 1000" in its simplest form is 42/1000. Its reduced value would be 21 / 500 or .042 .
The simplest form of 21 over 42 is 21/42 = 1/2
13/21 can't be reduced.
(21/42) / 21 = 1/2
12/42 = 2/7
21/40 cannot be reduced.
42/84 = 1/2