How do you combine and simplify sqrt(25/128)? Algebra Radicals and Geometry Connections Multiplication and Division of Radicals 1 Answer Mark D. Jun 5, 2018 [sqrt25]/(sqrt128)=5/(sqrt64sqrt2)=5/(8sqrt2) You should multiply top and bottom by sqrt2 to rationalise the fraction. 5/(8sqrt2)xx(sqrt2)/sqrt2 (5sqrt2)/(8sqrt4)=(5sqrt2)/16 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 4201 views around the world You can reuse this answer Creative Commons License