document.write( "Question 810881: in a certain fraction, the denominator is 4 less than the numerator. If 3 is added to the numerator and denominator, the resulting fraction is equivalent to 3/2. What was the original fraction? \n" ); document.write( "
Algebra.Com's Answer #488533 by TimothyLamb(4379)\"\" \"About 
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n/(n-4)
\n" ); document.write( "(n+3)/(n-1) = 3/2
\n" ); document.write( "---
\n" ); document.write( "(n+3)/(n-1) = 3/2
\n" ); document.write( "(n+3) = 3/2(n-1)
\n" ); document.write( "n + 3 = (3/2)n - (3/2)
\n" ); document.write( "(2/2)n - (3/2)n = -(3/2) - (6/2)
\n" ); document.write( "-(1/2)n = -(9/2)
\n" ); document.write( "---
\n" ); document.write( "n = 9
\n" ); document.write( "original fraction was: 9/5
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