First, you know that there are two fractions.
2/4 and 2/6
Second, they have to be like denominators in order to combine. Both denominators share a multiple of 12.
2/4 = 6/12 and 2/6 = 4/12
Finally, all you have to do is add.
6/12 + 4/12 = 10/12
10/12 can be simplified to 5/6.
I hope this helps. (:
