If you want to simplify this as far as you can, you'd sq. rt. the top and the bottom.
√7 √7
------- = -------
√81 9
If you want to get an approximate answer, then you'd just plug √(7/81) into your calculator.
This equals 0.2939723678960656
+37084 sqrt (7/81) = sqrt 7 / sqrt 81 = sqrt 7 / 9 = 2.64575/9 = .29397 Whichever one you want !
