How to Subtract Fractions Part 1
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Part of video series
Meets NCTM Standards:
Lesson Description:
Learn how to subtract fractions with or without common denominators.
More free YouTube videos by Julie Harland are organized at http://yourmathgal.com
Questions answered by this video:
- How do you subtract fractions with unlike denominators?
- How do you subtract and simplify 7/9 - 4/9?
- How do you subtract 7/12 - 5/18 by finding the least common denominator?
- How do you subtract mixed numbers?
- How do you subtract 7 2/5 - 3 4/5 by changing the mixed numbers into improper fractions, subtracting, and simplifying?
- How do you subtract 8 4/9 - 6 7/9 by changing the mixed numbers into improper fractions, subtracting, and simplifying?
- How do you subtract 10 8/11 - 3 2/11 by just subtracting the mixed numbers?
- How do you subtract 10 2/11 - 3 8/11 by borrowing?
- How do you subtract two mixed numbers if the smaller mixed number has a larger fraction part?
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Staff Review
This lesson uses the same methods used for adding fractions but now you will be subtracting fractions. In most of these problems, you will need to find the least common denominator of the two fractions in order to subtract them. All steps to the example problems are shown and explained very well. Mixed numbers are also used in this subtracting lesson. Just subtracting the mixed numbers, changing them into improper fractions, and borrowing methods are all shown.
