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anonymous

  • 4 years ago

Grandson in 3rd grade. been a long time for me doing equivalent fractions. know what they are but if u have 3/5 how do u find the the equal number mof 15ths????

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  1. anonymous
    • 4 years ago
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    an equal number of 15ths would be 9/15 because whatever you do to the bottom number on 3/5, you have to do to the top number, so that would be 3 times 5 to get 15 and 3 times 3 to get 9, which then you get 9/15

  2. phi
    • 4 years ago
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    A short video might help, http://www.khanacademy.org/video/fractions-in-lowest-terms?topic=developmental-math-1-1

  3. precal
    • 4 years ago
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    just look for the same number to multiply to the fraction. In this case, 3/5=?/15 5 times 3 is 15 so multiply 3 times 3 and the numerator is 9 you are really multiplying the original fraction by 3/3 which is 1

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