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Questions and Answers
What is the first step in adding rational expressions?
What is the first step in adding rational expressions?
- Simplify each expression separately
- Combine the numerators
- Find a common denominator (correct)
- Factor the denominators
When adding or subtracting rational expressions, what should you do before combining the numerators?
When adding or subtracting rational expressions, what should you do before combining the numerators?
- Find a common denominator (correct)
- Factor the denominators
- Cross-multiply the fractions
- Simplify the numerators
What is an important consideration when subtracting rational expressions?
What is an important consideration when subtracting rational expressions?
- Factor the denominators
- Always multiply the numerators
- Find a common denominator (correct)
- Divide the denominators
When adding rational expressions with unlike denominators, what should you find first?
When adding rational expressions with unlike denominators, what should you find first?
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In the given example, what is the LCD of the fractions 1/(3a) and 1/(4b)?
In the given example, what is the LCD of the fractions 1/(3a) and 1/(4b)?
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What is the result of adding (4b)/(12ab) + (3a)/(12ab)?
What is the result of adding (4b)/(12ab) + (3a)/(12ab)?
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What is an important step when adding rational expressions with unlike denominators?
What is an important step when adding rational expressions with unlike denominators?
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What should be done if the denominators of rational expressions are relatively prime?
What should be done if the denominators of rational expressions are relatively prime?
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