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10.4 Addition and Subtraction: Like Denominators. Standard 13.0: Add and subtract rational expressions. Adding and Subtracting Fractions: Like Denominators. Adding and Subtracting Rules: Like Denominators. Change Subtraction to Add the Opposite Factor the Denominator Add the Numerator
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10.4Addition and Subtraction:Like Denominators Standard 13.0: Add and subtract rational expressions.
Adding and Subtracting Rules: Like Denominators • Change Subtraction to Add the Opposite • Factor the Denominator • Add the Numerator • Factor the Numerator if possible • Simplify if possible
#3 Add or subtract. Simplify Add the numerator and keep the denominator
#4 Add or subtract. Simplify Add the numerator and keep the denominator
#6 Add or subtract. Simplify -28 -7 4 -3
#7 Add or subtract. Simplify 9 3 3 6