Just like other kinds of expressions or functions, rational expressions can represent real world situations. In this tutorial, you will learn how to use rational expressions to represent naturally occurring scenarios involving addition or subtraction. Practice finding common denominators in expressions involving fractions to become a master of adding or subtracting rational expressions.

Concepts

least common denominator, rational expressions

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Additional Tags

add rational expressions, mixed expression, rational expression

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Classroom Considerations

• Knovation Readability Score: 5 (1 low difficulty, 5 high difficulty)

Common Core

HSA-APR.D.7 HSA-SSE.A.2 HSA-SSE.A.1.a