2/9 +7/11-10/99 пожалуйста срочно

[latex] \frac{75}{99} = \frac{25}{33} [/latex] [latex] \frac{2}{9} + \frac{7}{11} + \frac{10}{99} = \frac{22} {99} + \frac{63}{99} + \frac{10}{99} = \frac{75}{99} = \frac{25}{33} [/latex]

2/9+7/11=22+63/99=85/99;85/99-10/99=75/99=25/33