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Addition and Subtraction of Rational Expressions with a Common Denominator. Adding/Subtracting Fractions. 5. 5. 2. 2. Add. +. +. 12. 12. 12. 12. 7. =. 12. Common Denominators. Subtract. Add or subtract the numerators.
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Addition and Subtraction of Rational Expressions with a Common Denominator
Adding/Subtracting Fractions 5 5 2 2 Add . + + 12 12 12 12 7 = 12
Common Denominators Subtract • Add or subtract the numerators. • Place the sum or difference of the numerators found in step 1 over the common denominator. • Simplify the fraction if possible.
Common Denominators a.) Add Example:
Common Denominators b.) Subtract Example: