document.write( "Question 189275: what is the simplest form for 4 1/5 x10/21 x9/20
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Algebra.Com's Answer #142024 by Mathtut(3670)\"\" \"About 
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\"21%2F5%2A10%2F21%2A9%2F20=10%2F5%2A9%2F20=2%2A9%2F20=18%2F20=9%2F10\" \n" ); document.write( "
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