2/3+1/3

To add these fractions together, you need to have a common denominator. In this case, the common denominator is 3.

So, \(\frac{2}{3} + \frac{1}{3} = \frac{2+1}{3} = \frac{3}{3} = 1\)

Therefore, \( \frac{2}{3} + \frac{1}{3} = 1 \)