document.write( "Question 672729: 2 3 1
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\n" ); document.write( "7 5 3 \n" ); document.write( "
Algebra.Com's Answer #418357 by ReadingBoosters(3246)\"\" \"About 
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Create a common denominator when adding or subtracting
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\n" ); document.write( "Is this \"2%2F7+%2B+3%2F5+%2B+1%2F3\"? or \"2%2F4%2B3%2F5-1%2F3\"
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\n" ); document.write( "Either way, use 7*5*3 = 105 as the common denominator
\n" ); document.write( "so,
\n" ); document.write( "\"%282%2F7%29%2815%2F15%29+%2B+%283%2F5%29%2821%2F21%29\" + or - \"%281%2F3%29%2835%2F35%29\"
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\n" ); document.write( "\"%2830%2F105%29+%2B+%2863%2F105%29\" + or - \"%2835%2F105%29\"\r
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\n" ); document.write( "Delighted to help.
\n" ); document.write( "-Reading Boosters
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