document.write( "Question 393746: i need help trying to understand how to add and subtract rational expressions. Our class is online so they dont really have any realiable teaching techniques. if you could give me a basic idea i would greatly appreciate it. \n" ); document.write( "
Algebra.Com's Answer #279407 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
Problems differ. Some are arithmetic and others are algebraic.
\n" ); document.write( "Please post a couple of your problems.
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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