Express $\frac{-4}{-7}$ as a rational number with denominator $7$.

Express $\frac{6}{-11}$ as a rational number with numerator $-6$.

Express $\frac{6}{-11}$ as a rational number with numerator $30$.

Express $\frac{6}{-11}$ as a rational number with numerator $-24$.

Express $\frac{-25}{60}$ as a rational number whose denominator is $-12$.

Express $\frac{7}{-13}$ as a rational number whose denominator is $39$.

Express $\frac{7}{-13}$ as a rational number with numerator $14$.

Write down the rational number with positive denominator:

$\frac{6}{-7}$

Write down the rational number with positive denominator:

$\frac{-3}{-5}$