2 2/3 - 5/12 = I 2 18/25 - 180% = U

[tex]1. 2 \frac{2}{3} - \frac{5}{12} \\ = \frac{8}{3} - \frac{5}{12} \\ = \frac{32}{12} - \frac{5}{12} \\ = \frac{27}{12} \\ = 2 \frac{3}{12} \\ = 2 \frac{1}{4} \\ 2. \: 2 \frac{18}{25} - 180\% \\ = \frac{68}{25} - \frac{180}{100} \\ = \frac{272}{100} - \frac{180}{100} \\ = \frac{92}{100} \\ = \frac{23}{25} [/tex]