document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=29157>Question 29157</A>: <I><SPAN STYLE=\"word-break: break-all;\"> simplify the expression <BR>\n" );
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document.write( "   2/20 - 3/7 - 2/5 + 4/63 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #15947 by </B><A HREF=/tutors/aboutme.mpl?userid=Nate><B>Nate(3500)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Nate><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=15947\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Your question:<BR>\n" );
document.write( "simplify the expression  <BR>\n" );
document.write( "   2/20 - 3/7 - 2/5 + 4/63<BR>\n" );
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document.write( "My answer:<BR>\n" );
document.write( "First, you must get the denominaters(the number on the bottom of the fraction bar) to equal the same number that the numbers 20,7,5, and 63 and be divided into.<BR>\n" );
document.write( "{[(2)(63)]/[(20)(63)]}-{[(3)(180)]/[(7)(180)]}-{[(2)(252)]/[(5)(252)]}+{[(4)(20)]/[(63)(20)]}<BR>\n" );
document.write( "--into--<BR>\n" );
document.write( "(126/1260)-(540/1260)-(504/1260)+(80/1260)<BR>\n" );
document.write( "Then, you would add or subtract the numberaters(the number that is on the top of the fraction bar.)<BR>\n" );
document.write( "(126)-(540)-(504)+(80)=-838\r<BR>\n" );
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document.write( "Your answer is -838/1260 or -419/630 (simplified)<BR>\n" );
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