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Find the least common denominator for the pair of rational numbers

Find the least common denominator for the pair of rational numbers-example-1
User Kimbert
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first one (2x+1)(x-3) if you notice. that is the factored form of

{2x}^(2) - 5x - 3
no the second fraction already has the (2x+1) , you would multiply the second fraction by (x-3).... dont forget you have to do both numerator and denominator ....
User Kirill Gamazkov
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