Adding and Subtracting Rational Expressions
Flashcard
•
Mathematics
•
10th - 12th Grade
•
Practice Problem
•
Hard
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14 questions
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1.
FLASHCARD QUESTION
Front
Define rational expressions.
Back
Rational expressions are fractions where the numerator and the denominator are both polynomials.
2.
FLASHCARD QUESTION
Front
What is the first step in adding or subtracting rational expressions with different denominators?
Back
Find the least common denominator (LCD) of the expressions.
3.
FLASHCARD QUESTION
Front
How do you find the least common denominator (LCD) of two rational expressions?
Back
The LCD is the least common multiple of the denominators of the rational expressions.
4.
FLASHCARD QUESTION
Front
What is the process to add rational expressions with the same denominator?
Back
Add the numerators and keep the same denominator.
5.
FLASHCARD QUESTION
Front
What is the process to subtract rational expressions with the same denominator?
Back
Subtract the numerators and keep the same denominator.
6.
FLASHCARD QUESTION
Front
How do you simplify a rational expression?
Back
Factor the numerator and denominator and cancel any common factors.
7.
FLASHCARD QUESTION
Front
What is the formula for adding two rational expressions?
Back
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