Question

suma de racionales -1/2 + 7/5 - 8/6

Answer 1

Solucion

$somplificando \\ \frac{8}{6} = \frac{4}{3 } \\ \\ - \frac{1}{2} + \frac{7}{5} - \frac{4}{3} = \\ denominador comun = 30 \\ \\ \frac{-15+42-40}{30} = \\ \\ -\frac{13}{30} \\ \\ saludos$