document.write( "Question 600169: It has been a while that I have done fractions. I'm trying to help my son do his 4th grade homework.\r
\n" ); document.write( "\n" ); document.write( "Here is the problem. 8 2/7 - 5 5/7=\r
\n" ); document.write( "\n" ); document.write( "There is similar problems like that but I want to get a general idea on how to work them all step by step to help him with the rest.
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Algebra.Com's Answer #379206 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
8 2/7 - 5 5/7=
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\n" ); document.write( "Change to improper fractions.
\n" ); document.write( "8 2/7 = 58/7
\n" ); document.write( "5 5/7 = 40/7
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\n" ); document.write( "58/7 - 40/7 = 18/7
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\n" ); document.write( "Change to mixed number, or not.
\n" ); document.write( "18/7 = 2 4/7
\n" ); document.write( "Mixed numbers are not good for much.
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