$8$can be written as a rational number with any integer as numerator. 

Draw the number line and represent the following rational number on it:

$\frac{2}{3}$

Draw the number line and represent the following rational number on it:

$\frac{3}{4}$

Draw the number line and represent the following rational number on it

$\frac{3}{8}$

Draw the number line and represent the following rational number on it:

$\frac{-5}{8}$

Draw the number line and represent the following rational number on it:

$\frac{-3}{16}$

Draw the number line and represent the following rational number on it:

$\frac{-7}{3}$

Draw the number line and represent the following rational number on it:

$\frac{22}{-7}$