Complex fractions are fractions divided by fractions—complicated, right? The video introduces the class to algebraic complex fractions. With the introduction to variables in the denominator, it is important make sure the denominator is not equal to zero. The last example foreshadows the beginning of work with rational expressions.

Concepts

complex fractions, algebraic concepts, algebraic expressions, dividing fractions, rational expressions, simplify rational expressions

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Additional Tags

math

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Instructional Ideas

• Lead a discussion on why it is important that the denominator is not zero

Classroom Considerations

• The class needs to know how to divide fractions
• Pupils should be familiar with the distributive property

• This video is hosted on YouTube

Pros

• Presenter connects fraction division to a physical model
• The resource starts off with a simple examples and works up to more complex examples

Cons

• None

Common Core

HSA-SSE.A.2 MP2 MP7