document.write( "Question 537767: Adding ans subtracting unlike rational expressions heres the problem y/4+3y/5 \n" ); document.write( "
Algebra.Com's Answer #352997 by Edwin McCravy(20055)\"\" \"About 
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document.write( "\"y%2F4\" + \"3y%2F5\"\r\n" );
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document.write( "The smallest denominator which  4 and 5 will both divide evenly into is 20.\r\n" );
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document.write( "The 4 on the bottom of the first term needs to be multiplied by 5 so that\r\n" );
document.write( "it will become 20. So we multiply the first fraction by \"red%285%2F5%29\".\r\n" );
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document.write( "The 5 on the bottom of the second term needs to be multiplied by 4 so that\r\n" );
document.write( "it will become 20. So we multiply the second fraction by \"red%284%2F4%29\".\r\n" );
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document.write( "\"red%285%2F5%29%2A%22%22\"\"y%2F4\" + \"red%284%2F4%29%2A%22%22\"\"3y%2F5\"\r\n" );
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document.write( "\"5y%2F20\" + \"12y%2F20\"\r\n" );
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document.write( "\"17y%2F20\"\r\n" );
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document.write( "Edwin

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