document.write( "Question 789541: how to multiply 20/12 X 9/15 \n" ); document.write( "
Algebra.Com's Answer #478875 by waynest(281)\"\" \"About 
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cross multiply
\n" ); document.write( "(20/12) x (9/15)
\n" ); document.write( "divide 20 and 15 by 5 and 9 and 12 by 3
\n" ); document.write( "(4/4) x (3/3)
\n" ); document.write( "1 x 1 = 1
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