If you mean 2/5 minus 1/3 then it is 1/15
-1 third
1
2 minus one third is 1 and two thirds.
1 minus 1/2 minus 1/3 is equal to 0.166667
5 1/3 minus 2 2/3 = 2 2/3
5 and 1/2
1 1/3 minus 2/3 is 2/3.
1/3 minus 1/2 is -1/6
1/3 minus 1/5 is 2/15
1/3 minus 2/9 is 1/9.
1/3 minus 1/9 is 2/9.
-1/3 minus 1/6 is -1/2.