Question

The numerator of a fraction is 4 less than the denominator. If 1 is added to both its

numerator and denominator, it becomes
1/2
Find the fraction.

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Answer 1

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Answer 2

Step-by-step explanation:

Let the denominator be x then the fraction is

$\frac{x-4}{x}$

Adding one to both we get

$\frac{x-4+1}{x+1} =\frac{1}{2}$

$\frac{x-3}{x+1} =\frac{1}{2}$

$2x-6 = x+ 1$

$2x-x = 6+ 1$

$x = 7$

Hence the fraction is

$\frac{3}{7}$