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Add the rational expressions: .
Question: Add the rational expressions: .
Sample answer:
Key points:
- Identify that both expressions share the common denominator .
- Add the numerators together to get .
- Place the combined numerator over the common denominator to form the single rational expression .
Rubric: Award full credit if the student provides the correct sum over the common denominator.
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Elementary Algebra @ OpenStax
Ch.8 Rational Expressions and Equations - Elementary Algebra @ OpenStax
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Related
Documentation of Rational Expression Addition for Performance Metrics
Add the rational expressions: . Match each part of the resulting sum to its correct expression.
Find the sum:
When adding , the numerator of the sum is _____.
What is the denominator of the sum ?
After obtaining the sum , what is the next step?
Arrange the steps to add the rational expressions: .
Add the rational expressions: .
To add the expressions and , you add the numerators and keep the common denominator .
What is the sum? Explain the steps to add them and check if the result can be simplified.