4.1 Adding Fractions (Why do we need a common denominator?)
Автор: Aurelia Khatib
Загружено: 2015-11-02
Просмотров: 16864
Описание: This video shows why we need a common denominator when adding fractions. There are three extra sample problems. The first starts at 2:52, the second (adding a mixed number) starts at 4:55, and the last problem (subtracting fractions) starts at 6:13.
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