Question

Add the following rational numbers-
$\frac{-7}{9},\frac{-3}{4}$

Answer 1

$\frac{-7}{9},\frac{-3}{4}$

$\frac{-7}{9}+\left(\frac{-3}{4}\right)$

$=\frac{-7\left(4\right)+(-3)\left(9\right)}{9\times 4}$

$=\frac{-28-27}{36}$

$=\frac{-55}{36}$