document.write( "Question 178462: Lori has been hired to build the frame and outer walls of the house. The exterior walls will be made of 3/8\" dry wall, 3 1/2\" wide studs, 1/4\"thick exterior plywood, and 5/16\" thick siding. How thick are the new walls altogether?
\n" ); document.write( "Please help! I am trying to help my son with his homework..thanks \n" ); document.write( "
Algebra.Com's Answer #133427 by Mathtut(3670)\"\" \"About 
You can put this solution on YOUR website!
we have to find a common denominator to make these like terms
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\n" ); document.write( "3 1/2=7/2
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\n" ); document.write( "3/8 inch
\n" ); document.write( "7/2 inch
\n" ); document.write( "1/4 inch
\n" ); document.write( "5/16 inch
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\n" ); document.write( "LCD is 16 so write all fractions in 16ths
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\n" ); document.write( "6/16
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\n" ); document.write( "56/16
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\n" ); document.write( "4/16
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\n" ); document.write( "+5/16
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\n" ); document.write( "\n" ); document.write( "75/16
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\n" ); document.write( "which means the wall is 75/16 or 4 13/16 inches thick\r
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