Topic: Adding and Subtracting Rational Expressions
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How is the LCM used to in adding or subtracting rational expressi...
In order to add or subtract fractions, the denominator (bottom number) has to be the same. In order to make it the same, you find the LCM and multiply the fraction by whatever is necessary to make the denominator the LCM. FOR EXAMPLE: 1/3 +... Read More »
Source: http://wiki.answers.com/Q/How_is_the_LCM_used_to_in_adding_or_sub...
How to Add & Subtract Rational Expressions
In mathematics, the term rational expression denotes a representation of the form p/q where both p and q are polynomials. There are many times when we will need to combine two or more rational expressions through addition or subtraction. Th... Read More »
Source: http://www.ehow.com/how_4425605_add-subtract-rational-expressions...
What are the steps for adding and subtracting rational expression...
Thanks asking ChaCha. You have to multiply by the reciprocal in order to cross out the divisibles then add or subtract. Read More »
Source: http://www.chacha.com/question/what-are-the-steps-for-adding-and-...
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Adding and Subtracting Rational Expressions
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So that unlike fractions can be converted to like fractions, eg: 1/2 and 1/3 are equvalent to 3/6 and 2/6, 6 being the LCD of 2 and 3. You can now add them (giving 5/6) or subtract the lesser (giving 1/6)
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Source: http://wiki.answers.com/Q/When_adding_and_subtracting_rational_ex...
A simple example of how to add or subtract rational expressions with the same denominator.
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Source: http://www.ehow.com/how_2306142_add-subtract-rational-expressions...
Terms of an Expression
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Source: http://wiki.answers.com/Q/What_are_the_parts_of_an_expression_tha...
similar to...what? what am I comparing?
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Source: http://answers.yahoo.com/question/index?qid=20100603214801AAr3C5m
Let's say that you have two fractions, 1/2 and 2/3, and you want to add and subtract them. In order to do so, you have to have a common denominator. The least common denominator is a good one to work with, but any common denominator will do...
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Source: http://answers.yahoo.com/question/index?qid=20100121071515AAqFVuJ
To add or subtract rational numbers with different denominators, find the least common denominator(LCD) and rewrite each number with that LCD. Then add or subtract. exmple add 7/18+4/27 ...............=7/2*3*3+4/3*3*3 ..............=7*3/ 2*...
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Source: http://answers.yahoo.com/question/index?qid=20090210071030AAa41f6
