The reciprocal of a negative rational number

Find the additive inverse of  $\left(-\frac{7}{10}\right)$.

The sum of two rational numbers is $-4$. If one of them is $\left(-\frac{11}{5}\right)$, find the other.

What number should be added to $\left(-\frac{3}{5}\right)$ to get $\frac{2}{3}$.

What number should be subtracted from $\left(-\frac{3}{4}\right)$ to get $\left(-\frac{1}{2}\right)$?

Find the multiplicative inverse (i.e. reciprocal) of $\left(-\frac{3}{4}\right)$.

Find the multiplicative inverse (i.e. reciprocal) of $\frac{11}{4}$.

The product of two rational numbers is $-8$. If one of the numbers is $-12$, find the other.