SOLUTION: the denominator of a fraction is 4 more than the numerator. If 4 is added to the numerator and 7 is added to the denominator, the value of the fraction is 1/2. Find the original fr

Algebra ->  Customizable Word Problem Solvers  -> Numbers -> SOLUTION: the denominator of a fraction is 4 more than the numerator. If 4 is added to the numerator and 7 is added to the denominator, the value of the fraction is 1/2. Find the original fr      Log On

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Question 900938: the denominator of a fraction is 4 more than the numerator. If 4 is added to the numerator and 7 is added to the denominator, the value of the fraction is 1/2. Find the original fraction.
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
n%2F%28n%2B4%29, the fraction.

%28n%2B4%29%2F%28n%2B4%2B7%29=1%2F2, the second sentence.

%28n%2B4%29%2F%28n%2B11%29=1%2F2

2%28n%2B4%29=n%2B11

2n%2B8=n%2B11

You finish this.