[tex] \sqrt{ \frac{4}{25} } = \frac{ \sqrt{4} }{ \sqrt{25} } = \frac{2}{5} [/tex]
[tex] \sqrt{ \frac{1}{10000} } = \frac{ \sqrt{1} }{ \sqrt{10000} } = \frac{1}{100} [/tex]
[tex] \sqrt{ \frac{225}{324} } = \frac{ \sqrt{225} }{ \sqrt{324} } = \frac{15}{18} [/tex]
[tex] \sqrt{ \frac{169}{81} } = \frac{ \sqrt{169} }{ \sqrt{81} } = \frac{13}{9} [/tex]
