In a fraction twice the numerator is 2 more than the denominator if 3 is added to the numerator and to the denominator the new fraction is 2/ 3 find the original number.
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Solution
Let the numerator be x denominator = 2x-2 3 is added :- Numerator= x+3 Denominator= 2x-2+3 =2x+1 x+3/2x+1=2/3 3(x+3)=2(2x+1) 3x+9=4x+2 3x-4x=2-9 -x=-7 x=7 Original Numerator = x = 7 Original Denominator = 2x-2 = 2(7)-2 = 14-2 = 12 Original Fraction = 7/12