Which of the following rational numbers are negative:

$\frac{-5}{-8}$  

Which of the following rational numbers are negative:

$\frac{9}{-83}$  

Which of the following rational numbers are negative:

$\frac{-115}{-197}$  

If $\frac{-15}{-28}$ is expressed in the form $\frac{a}{b}$ where $b$ is a positive integer, then find the value of $b$.

Express $\frac{6}{-9}$ as a rational number with positive denominator.

Express the following as a rational number with positive denominator.

$\frac{-28}{-11}$

Express $\frac{19}{-7}$ as a rational number with positive denominator.

Express $\frac{2}{5}$ as a rational number with numerator  $-56$ 

Express $\frac{3}{5}$ as a rational number with numerator $-15$.