$\"\"$

The expression is $\"\"$ .

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

Mixed fractions can be written as improper fractions.

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

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

$\"\"$ (Multiply: $\"\"$ )

As denominators are same, write difference of numerators over denominator.

$\"\"$

$\"\"$ (Subtract numerator: $\"\"$ $\"\"$

The difference is $\"\"$ .