Subtracting Mixed Numbers 2

In order to subtract mixed numbers, sometimes one may need to determine the least common multiple in order to find a common denominator. This is just what Sal does in this presentation. First, he shows how to find a common denominator and then the process needed to subtract two mixed numbers. Note: This video clearly explains the process of subtracting mixed numbers and would be appropriate for those just learning the concept.

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5th - 7th
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