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The denominator of a fraction is 4 more than twice the numerator.When both the numerator and denominator are decreased by 6, then the denominator becomes

12 times the numerator. Determine the fraction.


let the numerator be x
so the denominator is 2x+4
so the fraction is :  \frac{x}{2x+4}
 when 6 is decreased frm both numerator and denominator 
fraction becomes :  \frac{x-6}{2x-2}
so the fraction is 7/18

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