document.write( "Question 656289: in a certain fraction, the denominater is 7 less than the numberator. if 3 is added to both the numerator and denominater the resulting fraction is (15/8). what is the original fraction \n" ); document.write( "
Algebra.Com's Answer #409434 by shweta(56)\"\" \"About 
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Let the fraction be N/D
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\n" ); document.write( "D= N-7(given)
\n" ); document.write( "fraction:N/N-7 ..1
\n" ); document.write( "When N+3/D+3 = 15/8
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\n" ); document.write( " N+3/N-7+3 =15/8
\n" ); document.write( " N+3/N-4 = 15/8
\n" ); document.write( " On cross- multiplication,
\n" ); document.write( " 8*(N+3) = 15*(N-4)
\n" ); document.write( " 8N+ 24 = 15N - 60
\n" ); document.write( " 24+60 = 15N -8N
\n" ); document.write( " 7N = 84
\n" ); document.write( " N= 84/7
\n" ); document.write( " N= 12
\n" ); document.write( " D= N-7
\n" ); document.write( " D= 12-7= 5
\n" ); document.write( "So the original fraction is 12/5
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