Least Common Denominators

Resource ID#: 122859   Primary Type: Tutorial Submit Feedback / Report Problems

Direct Link: http://whyu.net/media/download/Pre-Algebra 15 - Least Common Denominators - small.mp4 *

In this tutorial, students will be exposed to the strategy of finding the least common denominator for certain cases. Sometimes when finding a common denominator, an unnecessarily large common denominator is created (a/b x c/d = ad + bc/bd). This chapter explains how to find the smallest possible common denominator. For example, 2/3 + 5/4 = 8/12 + 15/12 = 23/12.

Subject(s): Mathematics

Grade Level(s): 5

Suggested Technology: Computer for Presenter, Computers for Students, Internet Connection, Interactive Whiteboard, Speakers/Headphones

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