$\"\"$

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 84. $\"\"$

Rewrite the equivalent fractions using the LCD.

$\"\"$

Rewrite the expression using the LCD.

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

Denominators are same, write Sum of numerators over denominator.

$\"\"$

$\"\"$ (Add the numerators) $\"\"$

Simplify the expression.

Rewrite the improper fraction $\"\"$ as a mixed number.

Begin by dividing 247 by 84. The remainder will be the numerator of the

mixed number’s fraction.

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

The sum is $\"\"$ .