How do you simplify sqrt(64/81)?

1 Answer
Jun 5, 2016

= 8/9

Explanation:

For multiplication and division involving roots, you can find the roots separately.

So sqrt(64/81) = sqrt64/sqrt81

= 8/9

However for addition and subtraction you have to work with the terms as they are given

sqrt(16 + 9) " is not the same as " sqrt16 +sqrt9

= sqrt25 " "= 4 + 3

= 5 " "= 7