document.write( "Question 472121: I am trying to add a rational expression with an unlike denominator.\r \n" );
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document.write( "Simplify the expression: 3/x + 2/x^2\r \n" );
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document.write( "I do not understand from my math book how to find the least common denominator in order to rewrite the fractions using the least common denominator.\r \n" );
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document.write( "So far I am at:\r \n" );
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document.write( "3/x + 2/x*x\r \n" );
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document.write( "I understand that the least common denominator contains the highest power of each factor that appears in either denominator. So does that mean that the least common denominator is x from both denominators giving you x^2?\r \n" );
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document.write( "If that is so, I come up with: 3x/x^2 + 2/x^2\r \n" );
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document.write( "If I combine these two I have (3x + 2)/x^2\r \n" );
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document.write( "Is this thinking process correct? \n" );
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