Question

$\frac{12}{5} : \frac{9}{10}$ - 2

Answer 1

$\frac{12}{5} : \frac{9}{10} = \frac{12}{5} \times \frac{10}{9} = \frac{120}{45} = \\ \\ simplificado \: x \: 5 = \frac{24}{9} = \\ simplificado \: x3 = \\ \frac{8}{3} - \frac{2}{1} = \frac{8}{3} - \frac{6}{3} = \frac{2}{3}$

espero haberte ayudado :)