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Mastering Rational Expressions: Lowest Common Denominator (LCD)

Learn how to find the Lowest Common Denominator (LCD) for rational expressions and simplify complex fractions with step-by-step examples. Gain a strong understanding of adding and subtracting rational expressions.

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Mastering Rational Expressions: Lowest Common Denominator (LCD)

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  1. 6.2 – Rational Expressions Adding and Subtracting What is the Lowest Common Denominator (LCD)?

  2. 6.2 – Rational Expressions Adding and Subtracting What is the Lowest Common Denominator (LCD)?

  3. 6.2 – Rational Expressions – Add. And Sub. What is the Lowest Common Denominator (LCD)?

  4. 6.2 – Rational Expressions – Add. And Sub. Examples (Like Denominators):

  5. 6.2 – Rational Expressions – Add. And Sub. Examples (Like Denominators):

  6. 6.2 – Rational Expressions – Add. And Sub. Examples (Like Denominators):

  7. 6.2 – Rational Expressions – Add. And Sub. Examples: 15

  8. 6.2 – Rational Expressions – Add. And Sub. Examples: 40x2

  9. 6.2 – Rational Expressions – Add. And Sub. Examples:

  10. 6.2 – Rational Expressions – Add. And Sub. Examples:

  11. 6.2 – Rational Expressions – Add. And Sub. Examples:

  12. 6.2 – Rational Expressions – Add. And Sub. Examples: continued

  13. 6.2 – Rational Expressions – Add. And Sub. Examples:

  14. 6.2 – Rational Expressions – Add. And Sub. Examples: continued

  15. 6.3 – Simplifying Complex Fractions Complex Fractions Defn: A rational expression whose numerator, denominator, or both contain one or more rational expressions.

  16. 6.3 – Simplifying Complex Fractions LCD: 12, 8 24 LCD: 24 24 2 3

  17. 6.3 – Simplifying Complex Fractions LCD: y y–y

  18. 6.3 – Simplifying Complex Fractions LCD: 6xy 6xy 6xy

  19. 6.3 – Simplifying Complex Fractions Outersover Inners LCD: 63

  20. 6.3 – Simplifying Complex Fractions Outersover Inners

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