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Math Help - Help! Fractions

  1. #1
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    Smile Help! Fractions

    Which of the following pairs of numbers contain like problem
    A) 6/7 and 1 5/7
    B) 3/2 and 2/3
    C)5/6 and 10/12
    D) 3 1/2 and 4 3/4


    I think its the letter A. But i'm not sure
    Please help
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  2. #2
    Forum Admin topsquark's Avatar
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    Quote Originally Posted by Angel King
    Which of the following pairs of numbers contain like problem
    A) 6/7 and 1 5/7
    B) 3/2 and 2/3
    C)5/6 and 10/12
    D) 3 1/2 and 4 3/4


    I think its the letter A. But i'm not sure
    Please help
    Do you mean, which answers contain pairs of numbers that are equal?
    A) 1 5/7 = 7/7 + 5/7 = 12/7. This is not the same as 6/7.
    B) 3/2 and 2/3 are not equal.
    C) 10/12 = (2*5)/(2*6) = 5/6, so C is correct.
    D) 3 1/2 = 3*(2/2) + 1/2 = 6/2 + 1/2 = 7/2
    4 3/4 = 4*(4/4) + 3/4 = 16/4 + 3/4 = 19/4. These are not equal.

    -Dan
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  3. #3
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    oops

    I was trying to say like fraction sorry
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  4. #4
    MHF Contributor Quick's Avatar
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    Quote Originally Posted by Angel King
    I was trying to say like fraction sorry
    Do you mean like as in "same denominator"? If that's the case than your right, answer A is correct.
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  5. #5
    Grand Panjandrum
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    Quote Originally Posted by Angel King
    Which of the following pairs of numbers contain like problem
    A) 6/7 and 1 5/7
    B) 3/2 and 2/3
    C)5/6 and 10/12
    D) 3 1/2 and 4 3/4


    I think its the letter A. But i'm not sure
    Please help
    If you mean which of these pairs contain fractions which are equal it is C. Since:

    <br />
\frac{10}{12}=\frac{2\times 5}{2 \times 6}=\frac{2}{2}\times \frac{5}{6}=\frac{5}{6}<br />

    RonL
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  6. #6
    Forum Admin topsquark's Avatar
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    Quote Originally Posted by Quick
    Do you mean like as in "same denominator"? If that's the case than your right, answer A is correct.
    If the "same denominator" thing is correct, then both answers A and C are technically correct, since 10/12 = 5/6 has the same denominator as 5/6.

    -Dan
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