Question

The denominator of a rational number is greater than its numerator by 7. If the numerator is increased by 19, and denominator is decreased by 3, the new number becomes 4. Find the original number.​

Answer 1

Answer:

Original no.= x/x+7

=1/1+7

=1/8

Step-by-step explanation:

let numerator=x

denominator=x+7

rational number=x/x+7

Numerator=x+19

Denominator=x+7-3

=x+4

Rational number=x+19/x+4

ATQ,

x+19/x+4=4

4(x+4)=1(x+19)

4x+16=x+19

4x-x=19-16

3x=3

x=3/3

x=1

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Answer 2

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