document.write( "Question 411694: (-2/3-7/3)(1/3-9/10)\r
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Algebra.Com's Answer #289319 by rfer(16322)\"\" \"About 
You can put this solution on YOUR website!
first, find common denominator
\n" ); document.write( "(-2/3-7/3)(10/30-27/30)
\n" ); document.write( "(-9/3)(-17/30)=153/90=1 7/10
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