[tex]-\frac{1\frac{4}{5}*1\frac{1}{3} }{-\frac{1}{10}:1\frac{1}{9} }= -\frac{\frac{9}{5}*\frac{4}{3} }{-\frac{1}{10}:\frac{10}{9} }= -\frac{\frac{12}{5} }{-\frac{1}{10}*\frac{9}{10} }=-\frac{\frac{12}{5} }{-\frac{9}{100} }=\\-\frac{12}{5} :(-\frac{9}{100} )=\frac{12}{5} *\frac{100}{9} =\frac{400}{15}= \frac{80}{3}[/tex]
