document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=64995>Question 64995</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0618250034/algebrahomeworkh>Pre-Algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> A baby weighs 7 1/8 pounds at birth. After four months, the baby weighs 15 2/3 pounds. How much weight did the baby gain?\r<BR>\n" );
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document.write( "    Thanks! Please work really really really fast! Happy Holidays! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #45490 by </B><A HREF=/tutors/aboutme.mpl?userid=funmath><B>funmath(2933)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=funmath><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=45490\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A baby weighs 7 1/8 pounds at birth. After four months, the baby weighs 15 2/3 pounds. How much weight did the baby gain?<BR>\n" );
document.write( "Subtract the birth weight from the weight after four months.  In order to subtract fractions you need a common denominator.  In this case 3 and 8 have no common factors so the LCD is 3*8=24.  Whatever you do to the denominator to get that you also have to do to the numerator:<BR>\n" );
document.write( "15 2/3 - 7 1/8 <BR>\n" );
document.write( "15 2*8/(3*8) - 7 1*3/(8*3)<BR>\n" );
document.write( "15 16/24 - 7 3/24  Subtract the whole number and fractions.<BR>\n" );
document.write( "(15-7) (16-3)/24<BR>\n" );
document.write( "8 13/24 pounds<BR>\n" );
document.write( "Happy Calculating!!! </SPAN>\n" );
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