Write the mixed numbers as an improper fraction.

Rewrite the expression.

To add 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 12.

Rewrite the equivalent fractions using the LCD.

Rewrite the expression using the LCD.

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

          (Add the numerators) \ \                 (Subtract the numerators)

The value of the expression is .