$\"\"$

The expression is $\"\"$ .

Convert the mixed fraction into improper fraction.

$\"\"$ (Improper fraction of $\"\"$ : $\"\"$ )

$\"\"$ (Commutative property: $\"\"$ ) $\"\"$

$\"\"$ (Substitution: $\"\"$ )

$\"\"$ (Substitution: $\"\"$ ) $\"\"$

The value of the expression is $\"\"$ .