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Add and Subtract Rational Expressions

Related Topics:
Common Core (Algebra)
Common Core for Mathematics



Examples, solutions, videos, and lessons to help High School students understand that rational expressions form a system analogous to the rational numbers, closed under addition, subtraction, multiplication, and division by a nonzero rational expression; add, subtract, multiply, and divide rational expressions.

Suggested Learning Targets

  • Simplify rational expressions by adding, subtracting, multiplying, or dividing.
  • Understand that rational expressions are closed under addition, subtraction, multiplication, and division (by a nonzero expression).
Common Core: HSA-APR.D.7

Adding and Subtracting Rational Expressions
This video explains how to add and subtract rational expression with and without like denominators.
Ex 1: Add and Subtract Rational Expressions - Like Denominators
This video provides two examples of how to add and subtraction rational expressions with the the same denominators. Ex 2: Add and Subtract Rational Expressions - Like Denominators
This video provides two examples of how to add and subtraction rational expressions with the the same denominators. Ex 3: Add and Subtract Rational Expressions - Like Denominators
This video provides two examples of how to add and subtraction rational expressions with the the same denominators.



Ex 1: Add and Subtract Rational Expressions - Unlike Denominators
This video provides two examples of how to add and subtraction rational expressions when the denominators are different. Ex 2: Add and Subtract Rational Expressions - Unlike Denominators
This video provides two examples of how to add and subtraction rational expressions when the denominators are different. Ex 3: Add and Subtract Rational Expressions - Unlike Denominators
This video provides two examples of how to add and subtraction rational expressions when the denominators are different. Ex 4: Add and Subtract Rational Expressions - Unlike Denominators
This video provides two examples of how to add and subtraction rational expressions when the denominators are different. Ex: Add and Subtract Rational Expressions - Opposite Denominators
This video provides two examples of how to add and subtraction rational expressions when the denominators are opposites.

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