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Add and simplify the fractions. Show the sum before and after simplifying.
Case context:
Question: Add and simplify the fractions. Show the sum before and after simplifying.
Sample answer: Add the numerators: . Divide the numerator and denominator by the common factor : .
Key points:
- Add the numerators to get .
- Use the common factor .
- Simplify to .
Rubric: Full credit requires , the common factor , and the simplified answer .
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OpenStax
Elementary Algebra @ OpenStax
Ch.8 Rational Expressions and Equations - Elementary Algebra @ OpenStax
Algebra
Math
Prealgebra
Application in Bloom's Taxonomy
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