$\"\"$

The expression is $\"\"$

$\"\"$ (Product of two same signs is positive) $\"\"$

Mixed fractions can be written as improper fractions.

$\"\"$ ( $\"\"$ )

$\"\"$ ( $\"\"$ ) $\"\"$

if $\"\"$ , where b,d $\"\"$ .

$\"\"$

$\"\"$ (Cancel common terms)

$\"\"$ (Divide: $\"\"$ ) $\"\"$

The product is $\"\"$ .