Evaluate
\frac{2\sqrt{53}}{7}\approx 2.080031397
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\sqrt{\frac{196+16}{49}}
Multiply 4 and 49 to get 196.
\sqrt{\frac{212}{49}}
Add 196 and 16 to get 212.
\frac{\sqrt{212}}{\sqrt{49}}
Rewrite the square root of the division \sqrt{\frac{212}{49}} as the division of square roots \frac{\sqrt{212}}{\sqrt{49}}.
\frac{2\sqrt{53}}{\sqrt{49}}
Factor 212=2^{2}\times 53. Rewrite the square root of the product \sqrt{2^{2}\times 53} as the product of square roots \sqrt{2^{2}}\sqrt{53}. Take the square root of 2^{2}.
\frac{2\sqrt{53}}{7}
Calculate the square root of 49 and get 7.
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