Simplify square root of 64/81

$\sqrt{\frac{64}{81}}$

Rewrite $\sqrt{\frac{64}{81}}$ as $\frac{\sqrt{64}}{\sqrt{81}}$ .

$\frac{\sqrt{64}}{\sqrt{81}}$

Simplify the numerator.

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Rewrite $64$ as $8^{2}$ .

$\frac{\sqrt{8^{2}}}{\sqrt{81}}$

Pull terms out from under the radical, assuming positive real numbers.

$\frac{8}{\sqrt{81}}$

Simplify the denominator.

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Rewrite $81$ as $9^{2}$ .

$\frac{8}{\sqrt{9^{2}}}$

Pull terms out from under the radical, assuming positive real numbers.

$\frac{8}{9}$

The result can be shown in multiple forms.

Exact Form:

$\frac{8}{9}$

Decimal Form:

$0.\overline{8}$

Simplify square root of 64/81

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