Respuesta :

Answer:

[tex]\frac{1}{6}[/tex]

Step-by-step explanation:

[tex]- \frac{1}{2} + \frac{2}{3} = - \frac{3}{6} + \frac{4}{6} \\\\ - \frac{3}{6} + \frac{4}{6} = \frac{1}{6}[/tex]