$\"\"$

\

The expression is $\"\"$ .

\

Mixed fractions can be written as improper fractions.

\

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

\

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

\

To subtract fractions the denominators must be equal.

\

Find the least common denominator (LCD).

\

Write the prime factorization of each denominator.

\

$\"\"$

\

$\"\"$

\

Multiply the highest power of each factor in either number.

\

$\"\"$

\

LCD of the fractions is 9. $\"\"$

\

Rewrite the equivalent fractions using the LCD.

\

$\"\"$

\

$\"\"$

\

Rewrite the expression using the LCD.

\

$\"\"$ $\"\"$

\

Denominators are same, write difference of numerators over denominator.

\

$\"\"$

\

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

\

The difference is $\"\"$ .