SOLUTION: A student insists on finding a common denominator by always multiplying the denominators of the expressions being added. How could this approach be improved?

SOLUTION: A student insists on finding a common denominator by always multiplying the denominators of the expressions being added. How could this approach be improved?

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Question 399538: A student insists on finding a common denominator by always multiplying the denominators of the expressions being added. How could this approach be improved?

Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Define "improved"

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