10,8*([latex]- \frac{4}{9} [/latex])+13,2/3-[latex]-7 \frac{3}{5} [/latex]

[latex]1)10,8*(- \frac{4}{9} )= \frac{108}{10} *(- \frac{4}{9} )=- \frac{24}{5} \\ 2)- \frac{24}{5} +13 \frac{2}{3}=- \frac{24}{5} + \frac{41}{3} = \frac{205-72}{15} = \frac{133}{15} \\ 3) \frac{133}{15} -7 \frac{3}{5} = \frac{133}{15}- \frac{38}{5} = \frac{133-114}{15} = \frac{19}{15}=1 \frac{4}{15} [/latex]