$\"\"$

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The expression is $\"\"$ .

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$\"\"$ (Write fractions using LCD) \ \

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$\"\"$ (Write sum of numerators over denominator)

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$\"\"$ (Add: $\"\"$ ) $\"\"$

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$\"\"$ (Multiply by reciprocal)

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$\"\"$ (Use rule for multiplying fractions)

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$\"\"$ (Divide out common factor)

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

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The simplified expression is $\"\"$ .