The rational numbers whose absolute value is $\frac{11}{13}$ are

The rational numbers which is neither positive nor negative is _____.

Every fractional number is a rational number

$\frac{4}{0}$ is a rational number.

Find four rational numbers equivalent to the following rational number.

$\frac{2}{5}$

Write four rational numbers equivalent to the rational number $\frac{-5}{9}$.