30 over 42 can be reduced to 5/7
12/42 = 2/7
Yes, 27 over 30 can be reduced to 9 over 10.
21/42 = 1/2
Yes, 18/42 = 9/21
42/84 = 1/2
7/3
Yes by two
6 / 7
It is: 13/14
Yes -336/42 = -8/1 or as -8
it can be reduced to 4 over 3
It is: 1260/42 = 30/1 which is the same as 30