SOLUTION: If the numerator of a fraction be decreased by 10% and the denominator be increased by 20%, the fraction becomes 9/20. Find the original fraction.

Question 939619: If the numerator of a fraction be decreased by 10% and the denominator be increased by 20%, the fraction becomes 9/20. Find the original fraction.
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
If the numerator of a fraction be decreased by 10% and the denominator be increased by 20%, the fraction becomes 9/20.
Find the original fraction.
:
=
Cross multiply
18n - 10.8d
n = 10.8/18
n = .6d
Least integer solution that satisfies this n=30; d=50

= reduces to

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