document.write( "Question 395726: In the expression a/b + c/d; is bd necessarily the least common multiple of b and d? why or why not? \n" ); document.write( "
Algebra.Com's Answer #280826 by Alan3354(69443)\"\" \"About 
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Not necessarily.
\n" ); document.write( "eg, if b and d are both even numbers, they have a common factor of 2.
\n" ); document.write( "One counter example is sufficient to prove it's not the LCM.\r
\n" ); document.write( "\n" ); document.write( "a = 6, b = 8
\n" ); document.write( "Product = 48 but the LCM = 24
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