document.write( "Question 805572: what is 7/20-1/25
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Algebra.Com's Answer #485334 by Alan3354(69443)\"\" \"About 
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what is 7/20-1/25
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\n" ); document.write( "It's an arithmetic problem.
\n" ); document.write( "Find a common denominator, then subtract.
\n" ); document.write( "The product always works, 20*25 = 500
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\n" ); document.write( "= 175/500 - 20/500
\n" ); document.write( "= 155/500
\n" ); document.write( "= 31/100
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\n" ); document.write( "Don't waste time fretting about the LEAST common denominator.
\n" ); document.write( "Its only contribution is to waste time.
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