Question

the denominator of a fraction is one more than double of the numerator if both the numerator and denominator are increased by 4 the fraction becomes 3/5 find the fraction ​

Answer 1

Answer:

5/11

Step-by-step explanation:

Let x be the numerator and y be the denominator.

y = 2x + 1   -----------> equation 1

x+4/y+4 = 3/5 => 5x+20 = 3y + 12

=> 5x - 3y = -8 ------------> equation 2

solve equation 1 and 2.

Multiply equation 1 by 3 and subtract from 2.

6x -3y = -3

5x - 3y = -8

-     +        +

------------------  

x = 5

substitute the value of x in first equation

=> y = 2*5 + 1 = 11

So the fraction is 5/11.

Answer 2

Answer:

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