Fraction XII: Subtracting Unlike Denominators

Curated and Reviewed by Lesson Planet

This fractions PowerPoint defines and gives examples of multiples and least common multiple, then models how to list multiples and circle the least common multiple. Each step to use in subtracting fractions with unlike denominators is then displayed as a number problem and explained in text. Students practice this skill by following examples given during the last few slides of the PowerPoint.

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