Question

the numerator of a rational number is 4 less than its denominator if one is added to both it's numerator and denominator it becomes 2/3. find the rational number.​

Answer 1

Answer:

Let denominator be x

Numerator = x-4

When 1 is added:-

Denominator = x+1

Numerator= x-3

x-3/x+1=1/2

x+1=2(x-3)

x+1=2x-6

x-2x=-6-1

-x=-7

x=7

Original Numerator = x-4

= 7-4

= 3

Original Denominator = x

= 7

Original Fraction = 3/7

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