# Algebra 1: 230 Lowest Common Denominator (LCD)

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Mr. Appledorf's On-Line PowerPoint Math Lessons

Lowest Common Denominator (LCD)

Objectives:
Students will explain how factoring is used to find the LCD for numeric or algebraic fractions and perform these operations.

NCTM Standards:
Students understand meanings of operations and how they relate to one another.
Students understand how mathematical ideas interconnect and build on one another to produce a coherent whole.

California Content Standards:
(2.0) Students understand and use the rules of exponents.
(12.0) Students simplify fractions with polynomials in the numerator and denominator by factoring both and reducing them to the lowest terms.

Slides:

* WARNING
* "Prime Factorization"
* Factors, Fractions, LCD
* Algebraic Fractions: LCD
* Algebraic Fractions: LCD
* Converting Algebraic Fractions to use the LCD
* Converting Algebraic Fractions to use the LCD

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Mr. Appledorf's On-Line PowerPoint Math Lessons
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Teaching Duration
50 minutes
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