Maths-
General
Easy
Question
In a rational number, the denominator exceeds the numerator by 4. If the numerator and denominator are both increased by 9, the rational number becomes
Find the original rational number
Hint:
Frame the equation according to the information provided and then get the
original rational number.
The correct answer is: 19/23
Given, the denominator is 4 more than its numerator.
Let the numerator of rational number = x
And denominator be x + 4
So, original rational number = 
Given that if numerator and denominator increased by 9, then the rational number
becomes
.


By cross multiplication, we get 



So, numerator 
and denominator x + 4 = 19 + 4 = 23
Hence the original rational number = 
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