SOLUTION: In a certain fraction, the denominator is 5 more than the numerator. If 4 is added to both the numerator and denominator, the result is 2/7. Find the original fraction.

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Question 1134879: In a certain fraction, the denominator is 5 more than the numerator. If 4 is added to both the numerator and denominator, the result is 2/7. Find the original fraction.
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
FRACTION n%2F%28n%2B5%29

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%28n%2B4%29%2F%28n%2B5%2B4%29=2%2F7
%28n%2B4%29%2F%28n%2B9%29=2%2F7
2n%2B18=7n%2B28
-10=5n
n=-2
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The Fraction was -2%2F%28-2%2B5%29

highlight%28-2%2F3%29

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check:
%28-2%2B4%29%2F%283%2B4%29
2%2F7