[tex] \frac{ \frac{x}{2} }{ \frac{1}{3} } = \frac{ \frac{1}{2} }{9} [/tex]
[tex] \frac{x}{2} \times 3 = \frac{1}{2} \times \frac{1}{9} [/tex]
[tex] \frac{x \times 3}{2} = \frac{1 \times 1}{2 \times 9} [/tex]
[tex] \frac{3x}{2} = \frac{1}{18} [/tex]
[tex]3x \times 18 = 2[/tex]
[tex]3x = \frac{2}{18} [/tex]
[tex]3x = \frac{1}{9} [/tex]
[tex]3x \times 9 = 1[/tex]
[tex]27x = 1[/tex]
[tex]x = \frac{1}{27} [/tex]
