the sum of the numerator and denominator of a fraction is 3 less than twice the denominator .if the numerator and denominator are decreased by 1 ,the numerator becomes the half the denominator .determine the fraction.
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Let the numerator be n and the denominator be d.
According to the question,
n+d = 2d - 3
n+3=2d-d
n+3=d
After subtracting 1,
Numerator = n-1
Denominator = n+3-1=n+2
Fraction = n-1/n+2
Numerator is half of the denominator
2(n-1)=n+2
2n-2=n+2
n=4
d=n+3=4+3=7
Fraction = 4/7
Hope it helps:)
According to the question,
n+d = 2d - 3
n+3=2d-d
n+3=d
After subtracting 1,
Numerator = n-1
Denominator = n+3-1=n+2
Fraction = n-1/n+2
Numerator is half of the denominator
2(n-1)=n+2
2n-2=n+2
n=4
d=n+3=4+3=7
Fraction = 4/7
Hope it helps:)
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