A common fraction is a fraction whose denominator is the same with another fraction.
[tex]$\sqrt{x} \div\sqrt{y}[/tex] as a common fraction is [tex]\sqrt \frac{x}{y}}[/tex]
The expression is given as:
[tex]$\sqrt{x} \div\sqrt{y}[/tex]
Express as fraction
[tex]$\sqrt{x} \div\sqrt{y} = \frac{\sqrt x}{\sqrt y}[/tex]
Rewrite as a common fraction
[tex]$\sqrt{x} \div\sqrt{y} = \sqrt \frac{x}{y}}[/tex]
Hence, [tex]$\sqrt{x} \div\sqrt{y}[/tex] as a common fraction is [tex]\sqrt \frac{x}{y}}[/tex]
Read more about common fractions at:
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