document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=884540>Question 884540</A>: <I><SPAN STYLE=\"word-break: break-all;\"> i haven't been in school in so long so i need a quick refresh. <BR>\n" );
document.write( "how do i add and subtract fractions.\r<BR>\n" );
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document.write( "i need like detailed instructions lol \r<BR>\n" );
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document.write( "example problem..<BR>\n" );
document.write( "3/4-2/3 + 1/2+ 1/3 \r<BR>\n" );
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document.write( "once you explain it i'll most likely remember (: 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 #534395 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=534395\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You can only add two fractions when the denominators are the same.\r<BR>\n" );
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document.write( "So for instance, adding 1/2 + 2/3 cannot be done just yet because the denominators are different (2 and 3).\r<BR>\n" );
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document.write( "They must be the same number for us to continue. What we can do is notice that the LCM of 2 and 3 is 6 (2*3 = 6). So this means the LCD, lowest common denominator, is 6.\r<BR>\n" );
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document.write( "Now multiply 1/2 by 3/3 to get (1/2)*(3/3) = 3/6<BR>\n" );
document.write( "and multiply 2/3 by 2/2 to get (2/3)*(2/2) = 4/6<BR>\n" );
document.write( "Notice how we now have 2 fractions that have a denominator of 6\r<BR>\n" );
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document.write( "we have gone from \r<BR>\n" );
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document.write( "1/2 + 2/3\r<BR>\n" );
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document.write( "to\r<BR>\n" );
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document.write( "3/6 + 4/6\r<BR>\n" );
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document.write( "Now we can finally add. We add only the numerators and do NOT change or alter the denominators. \r<BR>\n" );
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document.write( "So 3/6 + 4/6 = (3+4)/6 = 7/6\r<BR>\n" );
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document.write( "Therefore,\r<BR>\n" );
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document.write( "1/2 + 2/3 = 7/6\r<BR>\n" );
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document.write( "The same rules apply with subtracting fractions. The denominators have to be the same before you can subtract the numerators (and you do NOT change the denominator). \r<BR>\n" );
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document.write( "Hopefully this helps you out. </SPAN>\n" );
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