2/3
18 over 27 is equivalent to 6 over 9
18/18 and 27/27
2/3
27/42 = 9/14 or 18/28
16 over 18 and 24 over 27
10 over 18, 15 over 27, etc.
There is no simpler fraction, 18 over 22 27 over 33
equivalent fractions for 9 over 12 = 3/4, 18/24, 27/36,...
14/18 and 21/27
18/8 27/12
14/18, 21/27, etc.
10/18, 15/27