document.write( "Question 308017: 7. What fraction should be added to 3/8 and 5/12 to make the result 1\r
\n" ); document.write( "\n" ); document.write( "I'm not sure if I remember the right way to do this, but this is what I tried.\r
\n" ); document.write( "\n" ); document.write( "3/8 + 5/12 + a/b = 1
\n" ); document.write( "3/8 = 9/24
\n" ); document.write( "5/12 = 10/24
\n" ); document.write( "19/24 + a/24 = 1
\n" ); document.write( "19/24 + 5/24 = 24/24 = 1
\n" ); document.write( "a/b = 5/24
\n" ); document.write( "

Algebra.Com's Answer #220257 by JBarnum(2146)\"\" \"About 
You can put this solution on YOUR website!
thats correct just had to find the common denominator and then add the 2 fractions then take that numerator and subtract it from the 1 made by the denominator.
\n" ); document.write( "well done
\n" ); document.write( "
\n" );