Question

The value of

$\frac{-2}{7}+\frac{-4}{11}+\frac{-12}{7}+\frac{-7}{11}$ is ___.

Answer 1

Given $\frac{-2}{7}+\frac{-4}{11}+\frac{-12}{7}+\frac{-7}{11}$

Grouping the rational numbers with same denominator together , we have
$\frac{-2}{7}+\frac{-12}{7}+\frac{-4}{11}+\frac{-7}{11}$

=$\frac{-2-12}{7}+\frac{-4-7}{11}$

=$\frac{-14}{7}+\frac{-11}{11}$

= (-2) + (-1)

= -3