[tex]{\color{Blue}\left (2\frac{3}{4}+2\frac{1}{5}\right)*16=\left (\frac{\left ( 2*4 \right )+3}{4}+\frac{\left ( 2*5 \right )+1}{5} \right )*16=\left ( \frac{11}{4} +\frac{11}{5} \right )*16=\left ( \frac{11*5+11*4}{4*5} \right )*16=\frac{99*16}{20}=79,2.}[tex]
