Question

The denominator of a fraction exceeds its numerator by 4. If the numerator and
denominator are both increased by 3, the new fraction becomes ସ
ହ
. Find the original
fraction.

Answer 1

Answer:

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Answer 2

Answer:

The original fraction is 13 / 17

Step-by-step-explanation:

Let the numerator be x.

And the denominator be y.

Original fraction = x / y

From the first condition,

y = x + 4 - - ( 1 )

From the second condition,

( x + 3 ) / ( y + 3 ) = 4 / 5

=> 5 ( x + 3 ) = 4 ( y + 3 )

=> 5x + 15 = 4y + 12

=> 5x - 4y = 12 - 15

=> 5x - 4y = - 3

=> 5x - 4 ( x + 4 ) = - 3 - - ( From 1 )

=> 5x - 4x - 16 = - 3

=> x = - 3 + 16

=> x = 13

Put x = 13 in ( 1 )

y = x + 4

=> y = 13 + 4

=> y = 17

Numertaor ( x ) = 13

Denominator ( y ) = 17

Therefore,

The original fraction = 13 / 17