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Math Help - write an equivalent fraction with the given denominator.

  1. #1
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    Unhappy write an equivalent fraction with the given denominator.

    4/11= ?/22

    A)4
    b)8
    c)44
    d)2
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  2. #2
    is up to his old tricks again! Jhevon's Avatar
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    Quote Originally Posted by BeBeMala View Post
    4/11= ?/22

    A)4
    b)8
    c)44
    d)2
    multiply the original fraction by 2/2

    then the denominator becomes 22 and the numerator becomes....?


    alternatively: two fractions a/b and c/d are said to be equal if ad = bc

    thus, 4/11 = ?/22 if 4(22) = 11(?) and you can solve for ?
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  3. #3
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    Question

    Quote Originally Posted by Jhevon View Post
    multiply the original fraction by 2/2

    then the denominator becomes 22 and the numerator becomes....?


    alternatively: two fractions a/b and c/d are said to be equal if ad = bc

    thus, 4/11 = ?/22 if 4(22) = 11(?) and you can solve for ?
    44?
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  4. #4
    is up to his old tricks again! Jhevon's Avatar
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    Quote Originally Posted by BeBeMala View Post
    44?
    4*2 = 44??
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  6. #6
    is up to his old tricks again! Jhevon's Avatar
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    Quote Originally Posted by BeBeMala View Post
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    4*2 means 4 times 2, not 4^2.

    did you read my first post? i'm sure i said "multiply"
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  7. #7
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    Unhappy

    Quote Originally Posted by Jhevon View Post
    4*2 means 4 times 2, not 4^2.

    did you read my first post? i'm sure i said "multiply"
    oh i'm so sorry i miss that.....8
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  8. #8
    is up to his old tricks again! Jhevon's Avatar
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    Quote Originally Posted by BeBeMala View Post
    oh i'm so sorry i miss that.....8
    yes

    you get that answer using both methods
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