Question

the numerator of a fraction is 4 less than the denominator. If I 1 is added to both itsnumerator and denominator, it becomes
1/2
Find the fraction​

Answer 1

Answer:

Let the fraction be

b

a

Numerator= denominator-4

a=b−4⇒b−a=4

If 1 added to both numerator and denomator then fraction =

2

1

b+1

a+1

=

2

1

2a+2=b+1

2a−b=−1

(2a−b)+(b−a)=4−1

a=3,b=7

Fraction=

7

3