How do you simplify 18√5/81? Algebra Radicals and Geometry Connections Multiplication and Division of Radicals 1 Answer Adrian D. Aug 7, 2015 2/9sqrt(5) Explanation: Assuming you mean: 18sqrt(5)/81=2cancel(18)sqrt(5)/(9cancel(81))=2/9sqrt(5) 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 1939 views around the world You can reuse this answer Creative Commons License