Decimals and Fractions Practice Test 4

Question : 24 of 40

Marks: +1, -0

If the numerator and denominator of a fraction are increased by 30% and 40% respectively, the fraction becomes

1 /2

. What is the original fraction?

Solution:

Let the original fraction be

x/y

Then,

{ 130% \of \;x}/{140%\of \;y}=1/2

x/y=1/2×140/130=7/13

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