Question

8. Afhe numerator of a fraction is 4 less than the denominator. If 1 is added to both its

numerator and denominator, it becomes 1/2 Find the fraction.​

Answer 1

Answer:

Let the denominator Y

Fraction is

Numerator =Y-4

(Fraction = Y-4) /Y

If 1 is added to both numerator and denominator

(Y-4)+1 /Y+1 =1/2

Y+1= 2Y -6

Y=6+1=7

Fraction is

7-4/7 = 3/7

Verification

3+1/7+1 =4/8 =1/2:

Step-by-step explanation:

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Answer 2

Answer:

Step-by-step explanation:

[x-4+1]/[x+1]=1/2 equation number 1

[x-3]=x/2+1/2

x/2=3+[1/2]

x=6+1

x=7

so replace it in equation number 1

7-2+1/[7+1]

=6/8

=3/4 or 0.75