$\"\"$

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The expression is $\"\"$ .

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Mixed fractions can be written as improper fractions.

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

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

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To add fractions the denominators must be equal.

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Find the least common denominator (LCD).

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Write the prime factorization of each denominator.

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$\"\"$

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$\"\"$

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Multiply the highest power of each factor in either number.

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$\"\"$

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LCD of the fractions is 14. $\"\"$

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Rewrite the equivalent fractions using the LCD.

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$\"\"$

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$\"\"$

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Rewrite the expression using the LCD.

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$\"\"$ $\"\"$ Denominators are same, write sum of numerators over denominator.

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$\"\"$

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

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The sum is $\"\"$ .