St.george high school
posted by Lynn .
The numerator of a fraction is 8 less than the denominator.when 6 is added to the numerator and 10 is added to the denominator,the value of the fraction is unchanged.find the original fraction.

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d8/d = d2/d+10
(d8)(d+10) = d(d2)
d^2 + 2d  80 = d^2  2d
4d = 80
d = 20
check:
12/20 = 18/30