Choose all fractions equivalent to each given fraction.

Given fraction

$($a$)\frac{-2}{7}$ Check all fractions that are equivalent to the given fraction. $\frac{2}{7},\frac{-2}{-7}\frac{2}{-7}-\frac{2}{7}$

Given fraction

$($b$)\frac{7}{6}$ Check all fractions that are equivalent to the given fraction. $\frac{-7}{6},\frac{7}{-6},\frac{-7}{-6}-\frac{7}{6}$