the denominator of a fraction is 4 more than the numerator . if 1 is added to both the numerator and denominator ,it becomes 1/2.find the fraction
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Let numerator be x
denominator is 4+x
equation
x+1/x+4+1=1/2
x+1/x+5=1/2
2(x+1)=x+5
2x+2=x+5
2x-x=5-2
x=3 then denominator is 3+4=7
fraction = 3/7
denominator is 4+x
equation
x+1/x+4+1=1/2
x+1/x+5=1/2
2(x+1)=x+5
2x+2=x+5
2x-x=5-2
x=3 then denominator is 3+4=7
fraction = 3/7
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