Respuesta :

Answer:

The answer is 1/3.

Step-by-step explanation:

The plus sign before the parenthesis means that everything inside keeps it's signal. So

[tex]\frac{2}{3}+(-\frac{1}{3})=\frac{2}{3}-\frac{1}{3}=\frac{2-1}{3}=\frac{1}{3}[/tex]

The answer is 1/3.