15/42 - 14/42 = 1/42
We need to convert, and we can do so into fourteenths. One half is 7 fourteenths. One seventh is 2 fourteenths. 7 - 2 = 5, so the answer is 5 fourteenths, which cannot be simplified any further.
It is the same as 8/14 minus 3/14 = 5/14
5/6
If you mean 2/5 minus 1/3 then it is 1/15
1/3 minus 1/5 is 2/15
7 1/3 minus 5 5/6 is 1 1/2
5 and 1/2
5 1/3 minus 3 3/5 = 1 11/15
two ninths
5/9 minus 1/3 is 2/9
2/7 = 4/14 9/14 - 4/14 = 5/14
5 1/3 minus 2 2/3 = 2 2/3