document.write( "Question 491520: 28/42 - 2\5 =?? \n" ); document.write( "
Algebra.Com's Answer #334646 by rfer(16322)\"\" \"About 
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FOR EASE OF OPERATION,
\n" ); document.write( "REDUCE 28/42 TO 2/3,
\n" ); document.write( "then find the common denominator
\n" ); document.write( "2/3-2/5=
\n" ); document.write( "10/15-6/15=4/15
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