Nine times the reciprocal of a rational number equals $6$ times the reciprocal of $17$. Find the rational number.

Add $\frac{4}{-5} \& \frac{2}{3}$.

Subtract $\frac{-6}{7}$ from the sum of $1 \& \frac{-2}{7}$.

Write the additive inverse of $\frac{3}{8}$ and multiply it with the multiplicative inverse of $\frac{-9}{4}$.

Simplify:

$\frac{-6}{16}\times \frac{8}{9}$

Find the value of the following:

$\left|\frac{-11}{5}+\frac{3}{-20}\right|$

Find five rational numbers between $\frac{3}{5}\&\frac{5}{6}$.