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  • Brainly User
2014-10-28T20:26:06+05:30
Let the denominator be x, then the numerator is x-4. Now the fraction is (x-4)/x. And when 1 is added it becomes 1/2. Therefore, (x-4+1)/(x+1)=1/2. Now we get x=7. Fraction is 3/7.
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