If the numerator of a fraction is increased by 250% and the denominator is increased by 400%. The resultant fraction is $$\frac{7}{19}$$. W… — Answer & Discussion

If the numerator of a fraction is increased by 250% and the denominator is increased by 400%. The resultant fraction is $$\frac{7}{19}$$. What is the original fraction ?

A$$\frac{10}{19}$$
B$$\frac{5}{9}$$
C$$\frac{9}{5}$$
D$$\frac{19}{5}$$

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Discussion 2

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CCommunity09 Apr 2019

Solution
Let the two numbers be a,b
We have the new fraction as (a+2.5a)/b+4b=7/19;
35a/50b=7/19;
After simplification we get 10:19 As the answer.

CCommunity04 May 2019

Solution
Let the two numbers be a,b
We have the new fraction as (a+2.5a)/b+4b=7/19;
35a/50b=7/19;
After simplification we get 10:19 As the answer.