document.write( "Question 397742: How do you add and subtract rational expressions?\r
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Algebra.Com's Answer #281808 by darleneporter(1)\"\" \"About 
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to add rational expressions, you have to first combine the numerators, then find the common denominator, and finally reduce to lowest terms.\r
\n" ); document.write( "\n" ); document.write( "example: 8x/5x-2 + 2x-5/5x-2\r
\n" ); document.write( "\n" ); document.write( "In this problem, the denominators are the same, so, just combine the numerators.\r
\n" ); document.write( "\n" ); document.write( "8x+2x-5/5x-2\r
\n" ); document.write( "\n" ); document.write( "finally, you add the like variables, 8x+2x=10x, which leaves you with the answer of
\n" ); document.write( "10x-5/5x-2. \r
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\n" ); document.write( "\n" ); document.write( "Now, to subtract rational expressions,you would folow the same steps. Same example, but instead of using the addition(+) symbol, we are going to use the minus(-) symbol.\r
\n" ); document.write( "\n" ); document.write( "example: 8x/5x-2 - 2x-5/5x-2\r
\n" ); document.write( "\n" ); document.write( "since the denominators are the same, 5x-2, we are going to combine numerators, 8x-2x-5,
\n" ); document.write( "this will leave you with, 6x-5.\r
\n" ); document.write( "\n" ); document.write( "your answer would be 6x-5/5x-2. \n" ); document.write( "
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