To subtract mixed numbers, it may be necessary to find the least common multiple to establish 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.

Concepts

mixed numbers, fractions, subtraction mixed numbers, subtraction

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Additional Tags

mixed numbers, subtracting mixed numbers, math

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Classroom Considerations

• This video is hosted on YouTube