document.write( "Question 81671: Add and write in simplest form: 5/4cd+11/4cd= my answer is 16/8cd am I right? \n" ); document.write( "

Algebra.Com's Answer #58501 by Edwin McCravy(20060) $\"\"$ $\"About$

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Add and write in simplest form: 5/4cd+11/4cd= my answer is 16/8cd am I right?
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document.write( "No.  You are confusing what you do when you MULTIPLY fractions\r\n" );
document.write( "with what you do when you ADD factions.\r\n" );
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document.write( "To MULTIPLY fractions you MULTIPLY tops and bottoms.\r\n" );
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document.write( "To ADD fractions which have a common denominator, you ADD the tops ONLY.\r\n" );
document.write( "You DO NOT add the bottoms.  You merely KEEP the common denominator.\r\n" );
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document.write( "Now add the numerators, and put it over the common denominator\r\n" );
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document.write( "or\r\n" );
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document.write( "Now the 4 in the bottom will cancel into the 16 on top\r\n" );
document.write( "giving 4 on top and the final answer is\r\n" );
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document.write( "Edwin

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