document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=79598>Question 79598</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Science and Medicine.  The combined resistance of two resistors R1 and R2 in a parallel circuit is given by the formula.<BR>\n" );
document.write( "Rt=     1<BR>\n" );
document.write( "   1/r1 + 1/r2  simplify the formula </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #57126 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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=57126\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Simplify:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R%5Bt%5D+=+1%2Fr%5B1%5D+%2B+1%2Fr%5B2%5D ALIGN=MIDDLE  ALT=\"R%5Bt%5D+=+1%2Fr%5B1%5D+%2B+1%2Fr%5B2%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" > Add the fractions as you would add any other fractions with unlike denominators.<BR>\n" );
document.write( "Find a commom denominator.  Here, it would be <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28r%5B1%5D%29%2A%28r%5B2%5D%29 ALIGN=MIDDLE  ALT=\"%28r%5B1%5D%29%2A%28r%5B2%5D%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Then, here, multiply the first fraction by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%5B2%5D%2Fr%5B2%5D ALIGN=MIDDLE  ALT=\"r%5B2%5D%2Fr%5B2%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" > and the second fraction by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%5B1%5D%2Fr%5B1%5D ALIGN=MIDDLE  ALT=\"r%5B1%5D%2Fr%5B1%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R%5Bt%5D+=+r%5B2%5D%2Fr%5B1%5Dr%5B2%5D+%2B+r%5B1%5D%2Fr%5B1%5Dr%5B2%5D ALIGN=MIDDLE  ALT=\"R%5Bt%5D+=+r%5B2%5D%2Fr%5B1%5Dr%5B2%5D+%2B+r%5B1%5D%2Fr%5B1%5Dr%5B2%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" > Now you can add the fractions because they have a common denominator.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R%5Bt%5D+=+%28r%5B1%5D%2Br%5B2%5D%29%2Fr%5B1%5Dr%5B2%5D ALIGN=MIDDLE  ALT=\"R%5Bt%5D+=+%28r%5B1%5D%2Br%5B2%5D%29%2Fr%5B1%5Dr%5B2%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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