document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=29743>Question 29743</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Subtract.  Express your result in the simplest form.\r<BR>\n" );
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document.write( "Thank you. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #16482 by </B><A HREF=/tutors/aboutme.mpl?userid=sdmmadam@yahoo.com><B>sdmmadam@yahoo.com(530)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=sdmmadam@yahoo.com><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=16482\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 12/z - 10/z<BR>\n" );
document.write( "=(12-10)/z   (finding the lcm which is z here)<BR>\n" );
document.write( "=2/z<BR>\n" );
document.write( "Note: How do we combine two fractions when they are added to <BR>\n" );
document.write( "or subtracted from each other?<BR>\n" );
document.write( "Find the lcm (least common multile) (if both the fractions have the same dr then that dr is the lcm)<BR>\n" );
document.write( "Consider the first fraction. Divide the lcm by dr  and get some answer and multiply the corresponding nr with this answer.<BR>\n" );
document.write( "Put the sign of the next fraction and continue with the above treatment for the second fraction.<BR>\n" );
document.write( "Then the nr is either a sum or difference (according as sum of two fractions or difference of two fractions)and the dr is the lcm<BR>\n" );
document.write( "And finally the answer is therefore a single fraction  </SPAN>\n" );
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