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Math Help - Multiplying and Dividing Rationals

  1. #1
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    Multiplying and Dividing Rationals

    Would I eliminate 3n first or simplify 3n+9 on the bottom?
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  2. #2
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    Re: Multiplying and Dividing Rationals

    You need to factorise the denominator (bottom) first.
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  3. #3
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    Re: Multiplying and Dividing Rationals

    Just to clarify, would the solution to the problem be Multiplying and Dividing Rationals-gdz.jpg
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  4. #4
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    Re: Multiplying and Dividing Rationals

    So far so good, but you haven't finished yet. You can now cancel the common factor 3 in the right hand expression, and then multiply the two fractions together.
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