Identify square root of fraction: Identify the square root of the fraction. The square root of a fraction is the square root of the numerator divided by the square root of the denominator.
Calculate square root of numerator: Calculate the square root of the numerator, which is 64. The square root of 64 is 8 because 8×8=64.
Calculate square root of denominator: Calculate the square root of the denominator, which is 121. The square root of 121 is 11 because 11×11=121.
Divide square roots to get result: Divide the square root of the numerator by the square root of the denominator to get the square root of the fraction. So, 12164=118.