Question

помогите пожалуйста ​

Answer 1

$\frac{34}{15} - (2-\frac{16}{15} )*\frac{9}{4} +\frac{2}{3} = \frac{34}{15} - \frac{14}{15} *\frac{9}{4} +\frac{2}{3} = \frac{34}{15} -\frac{42}{20} +\frac{2}{3} =\frac{136}{60} -\frac{126}{60} + \frac{40}{60} = \frac{50}{60} = \frac{5}{6}$