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Math Help - dividing fractions

  1. #1
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    dividing fractions

    hi, my question is the attachment, i need to know what i would do to work this out:

    dividing fractions-untitled.jpg
    Last edited by andyboy179; June 23rd 2009 at 08:37 AM.
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  2. #2
    is up to his old tricks again! Jhevon's Avatar
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    Quote Originally Posted by andyboy179 View Post
    hi, my question is the attachment, i need to know what i would do to work this out:

    Click image for larger version. 

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ID:	11971
    to divide fractions, take the second one (after the division sign), flip it and multiply

    \frac 78 \div \frac 23 = \frac 78 \times \frac 32 = \cdots do you remember how to multiply fractions?
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  3. #3
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    Quote Originally Posted by Jhevon View Post
    to divide fractions, take the second one (after the division sign), flip it and multiply

    \frac 78 \div \frac 23 = \frac 78 \times \frac 32 = \cdots do you remember how to multiply fractions?

    i think so, do i make the denominator the same like with adding fractions?
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  4. #4
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    Quote Originally Posted by andyboy179 View Post
    i think so, do i make the denominator the same like with adding fractions?
    No

    \frac{a}{b}\cdot\frac{c}{d}=\frac{a\cdot c}{b\cdot d}
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  5. #5
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    i know what to do now thanks
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