How do you rationalize the denominator and simplify 12/root3(9)? Algebra Radicals and Geometry Connections Multiplication and Division of Radicals 1 Answer Binayaka C. May 16, 2018 12/ root(3)9 = 4 root(3)3 Explanation: 12/ root(3)9 Multiplying by 9^(2/3) on both numerator and denominator we get (12*9^(2/3))/( root(3)9*9^(2/3)) = (12*9^(2/3))/( 9^(1/3+2/3))=(12*root(3)81)/9 (12*3*root(3)3)/9 = 4 root(3)3 [Ans] Answer link Related questions How do you simplify \frac{2}{\sqrt{3}}? How do you multiply and divide radicals? How do you rationalize the denominator? What is Multiplication and Division of Radicals? How do you simplify 7/(""^3sqrt(5)? How do you multiply (sqrt(a) +sqrt(b))(sqrt(a)-sqrt(b))? How do you rationalize the denominator for \frac{2x}{\sqrt{5}x}? Do you always have to rationalize the denominator? How do you simplify sqrt(5)sqrt(15)? How do you simplify (7sqrt(13) + 2sqrt(6))(2sqrt(3)+3sqrt(6))? See all questions in Multiplication and Division of Radicals Impact of this question 2237 views around the world You can reuse this answer Creative Commons License