Solve sqrt{4/27}

$$\sqrt{ \frac{ 4 }{ 27 } }$$

Evaluate

$$\frac{2\sqrt{3}}{9}\approx 0.384900179$$

Solution Steps

Rewrite the square root of the division \sqrt{\frac{4}{27}} as the division of square roots \frac{\sqrt{4}}{\sqrt{27}}.

$$\frac{\sqrt{4}}{\sqrt{27}}$$

Calculate the square root of 4 and get 2.

$$\frac{2}{\sqrt{27}}$$

Factor 27=3^{2}\times 3. Rewrite the square root of the product \sqrt{3^{2}\times 3} as the product of square roots \sqrt{3^{2}}\sqrt{3}. Take the square root of 3^{2}.

$$\frac{2}{3\sqrt{3}}$$

Rationalize the denominator of \frac{2}{3\sqrt{3}} by multiplying numerator and denominator by \sqrt{3}.

$$\frac{2\sqrt{3}}{3\left(\sqrt{3}\right)^{2}}$$

The square of \sqrt{3} is 3.

$$\frac{2\sqrt{3}}{3\times 3}$$

Multiply 3 and 3 to get 9.

$$\frac{2\sqrt{3}}{9}$$