Rules for adding and subtracting fractions using a common denominator.
A diagram on lined notebook paper showing the process of adding fractions by finding a common denominator, with fractions 5/3 and 7/5 converted to 25/15 and 21/15 respectively.
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A diagram on lined notebook paper showing the process of adding fractions by finding a common denominator, with fractions 5/3 and 7/5 converted to 25/15 and 21/15 respectively.
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(view all rules for adding and subtracting fractions)