First, let's convert all of our denominators to 12 so we can make comparing the fractions easier.
1/3 * 4 = 4/12. 2/3 * 4 = 8/12.
Now that both of our fractions have a denominator of 12, we can compare the fractions!
4/12 (1/3) < 7/12.
8/12 (2/3) > 7/12
Now we have our answer