document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=153998>Question 153998</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need to subtract two rational expressions, and the problem is<BR>\n" );
document.write( "((3a+2b)/(3b)) - ((a+2b)/(6a))<BR>\n" );
document.write( "I do not understand how to find the lowest common denominator, and what to do after I do find it. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #113348 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=113348\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> ((3a+2b)/(3b))-((a+2b)/(6a))<BR>\n" );
document.write( "[(3a+2b)(6a)-(a+2b)(3b)]/3b*6a<BR>\n" );
document.write( "[18a^2+12ab-3ab-6b^2]/18ab<BR>\n" );
document.write( "(18a^2+9ab-6b^2)/18ab<BR>\n" );
document.write( "3(6a^2+3ab-2b^2)/18ab [cancel out the factor 3 from the numerator & denominator.]<BR>\n" );
document.write( "(6a^2+3ab-2b^2/6ab </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );