# Denominators

PROCEDURE: To add or subtract fractions with different denominators, first find the LCD of the two fractions. Then determine the factor that each denominator is of that LCD.

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### Addition and Subtraction of Unlike Fractions

Of course, any equivalent fractions where the denominators are the same can be used, such as the product of the denominators of each fraction. In that case, equivalent fractions can be obtained by multiplying the numerator and denominator of each fraction by the denominator of the other fraction:! 3 8 +! 5 ...

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### Adding and Subtracting Rational Expressions

10/28/2009 4 Add and Subtract Unlike Denominators 11 Add and Subtract Unlike Denominators •Consider adding (2/ 3) + (1/ 6)-Denominators are NOT the same •Must find the LCD between 3 and 6 3 = 3, 6 = 2 * 3 → LCD = 2 * 3 = 6-What factors in the LCM are missing from both denominators?

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### denominators

Microsoft Word - denominators.doc. Fractions : Common Denominators Denominator: The bottom number of a fraction.

### Today's discussion is from the Fireline Safety Category.

Today's discussion is from the Fireline Safety Category. COMMON DENOMINATORS OF FIRE BEHAVIOR ON TRAGEDY FIRES Five common denominators that contribute to accidents/incidents have been identified through studies of tragedy fires.

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### SUbTRActing fractions with unlike denominators

©Learning Resources, Inc., Vernon Hills, IL60061 (USA) LER 2564 —Subtracting Fractions With Unlike Denominators Table of Contents LER 2564 SUbTRActing fractions with unlike denominators by Barbara Bando Irvin, Ph.D. Introduction ...

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### st-Century Common Denominators for Wildland Firefighter ...

23 I n the mid-1970s, fire researcher Carl Wilson identified four common denominators of fire behavior that caused fatalities and near-misses on wildland fires.

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### Finding Common Denominators

The Math Center ■ Valle Verde ■ Tutorial Support Services ■ EPCC 1 Finding Common Denominators Learning how to find common denominators is an essential skill for every math student.

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