$\"\"$

The rational expression is $\"\"$ .

Find the sum.

$\"\"$ (Original expression)

LCM of $\"\"$ is $\"\"$ .

$\"\"$

$\"\"$ (Distributive property: $\"\"$ )

$\"\"$ (Combine like terms)

$\"\"$ .

Therefore, the sum of the rational expression is $\"\"$ .

$\"\"$

$\"\"$ .