No. 5/12 doesn't reduce to anything.
To 9/14
14 over 12 can be simplified down to 7 over 6.
To 4/27
No, because if you reduce 12/36 then you get 3 and if you reduce 5/7 you get a decimal, not 3.
No. 5/12 doesn't reduce to anything.
42/14 = 3
12 over 77
To 9/14
14
14 over 12 can be simplified down to 7 over 6.
14/27 × 17/12 = 119/162
12/14 as a percent is 100*12/14 = 85.714 %
It reduces to 3/14
You reduce it. To reduce it, you find the greatest factor they share, in this case 2, and divide each number by it, to get 13 over 14, or 13/14.
12 over 14 in its simplest form is 6/7
2/3