Question

ayuda por favor 1/7 + 2/5 - 6/4 + 2/3 =

Answer 1

Respuesta:

$\frac{1}{7} +\frac{2}{5} -\frac{6}{4} +\frac{2}{3} \\\frac{19}{35}-\frac{6}{4} +\frac{2}{3}\\\frac{-67}{70} +\frac{2}{3} \\-\frac{61}{120}$