Creating Common Denominators

Resource ID#: 122856   Primary Type: Tutorial Submit Feedback / Report Problems




Direct Link: http://whyu.net/media/download/Pre-Algebra 14 - Creating Common Denominators - small.mp4 *

This tutorial explores the addition and subtraction of fractions with unlike denominators. Performing these operations on fractions with unlike denominators requires the creation of a 'common' denominator. Using the number line, this mathematical process can be easily visualized and connected to the final strategy of multiplying the denominators (a/b + c/d = ad +bc/bd).


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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