Multiplying Fractions

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Taught by MrHansen
  • Currently 3.0/5 Stars.
8436 views | 1 rating
Meets NCTM Standards:
Lesson Summary:

In this lesson on multiplying fractions, Mr. Hansen uses visual aids to demonstrate the concept. Using everyday objects such as a pan of lasagna, he shows how multiplying fractions involves taking a piece of a piece, resulting in a smaller product. Through examples such as 1/2 times 3/4 and 2/3 times 1/5, he highlights how the denominator of the answer represents equal parts of a whole, while the numerator shows how many of those parts are shaded. Overall, this video tutorial provides a clear understanding of how multiplying fractions works.

Lesson Description:

A video tutorial presenting a visual examination of how multiplying fractions really works.

Courtesy of Mr. Hansen of

Questions answered by this video:
  • How do you multiply fractions?
  • Why does 2*3 mean 2 groups of 3?
  • What does multiplying fractions really mean?
  • When you multiply two numbers, is the product always larger than the two numbers you began with?
  • What does 1/2 * 3/4 mean?
  • How can you draw a picture to represent multiplying fractions?
  • What is 1/2 of 3/4?
  • How do you multiply 2/3 * 1/5?
  • Staff Review

    • Currently 3.0/5 Stars.
    This video starts off by explaining what it means to multiply. 2*3 is shown as two groups of three boxes. We then examine whether multiplying two numbers always leads to a larger result. Pictures are used to explain the idea of multiplying fractions. This is a great video for students struggling with the concept of fractions multiplied by fractions.