math

posted by Dylan

MathMate attempted to help but did not show how the problem is answered. It only confused the problem. Could someone else please help? Thanks.

The denominator of a fraction is 4 more than the numerator. If both the denominator and the numerator are increased by 1, the resulting fraction equals 1/2. What is the original fraction?

**Need to show all work**

  1. drwls

    The fraction is x/(x+4), where

    (x+1)/(x+5) = 1/2
    That can be rewritten
    x+5 = 2(x+1)
    which reduces to
    x = 3

    Therefore the fraction is 3/7

  2. Ms. Sue

    I used trial and error to come up with 3/7.

    I started with 1/5 and 2/6, which of course doesn't work.

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