Respuesta :

Respuesta:

[tex] A = \frac{13}{7} - \frac{11}{7} = \frac{2}{7} [/tex]

[tex]B = 1 - \frac{4}{5} = \frac{1}{5} [/tex]

[tex] A + B = \frac{2}{7} + \frac{1}{5} = \frac{10}{35} + \frac{7}{35} = \frac{17}{ 35} [/tex]