SOLUTION: 6. What number must be subtracted from the both numerator and the denominator of the fraction 29/37 to make it equal to 5/7.

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Question 389568: 6. What number must be subtracted from the both numerator and the denominator of the fraction 29/37 to make it equal to 5/7.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

I. Assigning the variable       

Let n represent the number subtacted from mumerator and denominator

II.Writing as we Read***

%2829-n%29%2F%2837-n%29+=+5%2F7

III.Solving for x  by cross multiplying in this case

  5(37-n) = 7(29-n)

     2n = 7*29 - 5*37

     2n = 18

      n = 9, the number subtacted from mumerator and denominator



IV. CHECKING Our Answer***

    20/28 = 5/7