document.write( "Question 21912: 5/a - 7/2b what is the lcd of this expression?\r
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Algebra.Com's Answer #346087 by sagii19(1)\"\" \"About 
You can put this solution on YOUR website!
The lcd is (a)(2b)\r
\n" ); document.write( "\n" ); document.write( "(a)(2b)5/a - 7/2b (a)(2b)=\r
\n" ); document.write( "\n" ); document.write( "Cancel out the a for 5/a and cancel out the 2b for 7/2b\r
\n" ); document.write( "\n" ); document.write( "Your left with (2b)5 - (a)7=\r
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