[tex] \frac{2x}{3y} = \frac{4}{5} \\ \frac{2}{3} \times \frac{x}{y} = \frac{4}{5} \\ \frac{x}{y} = \frac{4}{5} \div \frac{2}{3} \\ \frac{x}{y} = \frac{4}{5} \times \frac{3}{2} \\ \frac{x}{y} = \frac{12}{10} \\ \frac{x}{y} = \frac{12 \div 2}{10 \div 2} \\ \frac{x}{y} = \frac{6}{5} [/tex]
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