Arithmetic of Fractions: Subtraction

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Part of video series
Meets NCTM Standards:
Features a TI Calculator
Lesson Summary:

In this lesson on the arithmetic of fractions, we learn how to subtract proper and improper fractions, as well as mixed numbers. The instructor emphasizes the importance of converting mixed numbers to improper fractions before subtracting. We see examples of subtraction using LCD and adding the opposite. The lesson also covers how to subtract on a calculator, and ends with a series of practice exercises.

Lesson Description:

Concepts covered: Subtraction of Improper and Proper Fractions and also Mixed Numbers.

Questions answered by this video:
  • How do you subtract fractions?
  • How do you subtract improper fractions?
  • How do you subtract mixed numbers?
  • How do you find a common denominator?
  • Where can I find a bunch of examples of subtracting fractions?
  • How do you change an improper fraction into a mixed number?
  • How do you subtract mixed numbers with a graphing calculator?
  • Staff Review

    • Currently 4.0/5 Stars.
    Learn how to subtract fractions. Another topic that is commonly troubling to students because a common denominator must be found. Watch this great lesson that explains subtracting fractions using several examples.