# 6.2 – Rational Expressions - PowerPoint PPT Presentation

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

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6.2 – Rational Expressions

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6.2 – Rational Expressions

What is the Lowest Common Denominator (LCD)?

6.2 – Rational Expressions

What is the Lowest Common Denominator (LCD)?

6.2 – Rational Expressions – Add. And Sub.

What is the Lowest Common Denominator (LCD)?

6.2 – Rational Expressions – Add. And Sub.

Examples (Like Denominators):

6.2 – Rational Expressions – Add. And Sub.

Examples (Like Denominators):

6.2 – Rational Expressions – Add. And Sub.

Examples (Like Denominators):

6.2 – Rational Expressions – Add. And Sub.

Examples:

15

6.2 – Rational Expressions – Add. And Sub.

Examples:

40x2

6.2 – Rational Expressions – Add. And Sub.

Examples:

6.2 – Rational Expressions – Add. And Sub.

Examples:

6.2 – Rational Expressions – Add. And Sub.

Examples:

6.2 – Rational Expressions – Add. And Sub.

Examples: continued

6.2 – Rational Expressions – Add. And Sub.

Examples:

6.2 – Rational Expressions – Add. And Sub.

Examples: continued

6.3 – Simplifying Complex Fractions

Complex Fractions

Defn: A rational expression whose numerator, denominator, or both contain one or more rational expressions.

6.3 – Simplifying Complex Fractions

LCD: 12, 8

24

LCD: 24

24

2

3

6.3 – Simplifying Complex Fractions

LCD: y

y–y

6.3 – Simplifying Complex Fractions

LCD: 6xy

6xy

6xy

6.3 – Simplifying Complex Fractions

Outersover Inners

LCD:

63

6.3 – Simplifying Complex Fractions

Outersover Inners