Verified answer

[tex]\LARGE\tt{} \dfrac{12}{5} + \dfrac{3}{3} - \dfrac{4}{6} \\ \\ \LARGE\tt{} \dfrac{12}{5} + \dfrac{\cancel{3}}{\cancel{3}} - \dfrac{4}{6} \\ \\ \LARGE\tt{} \dfrac{12}{5} + 1 - \dfrac{4}{6} \\ \\ \LARGE\tt{} \dfrac{12}{5} + 1 - \dfrac{\cancel{4}}{\cancel{6}} \\ \\ \LARGE\tt{} \dfrac{12}{5} + 1 - \dfrac{2}{3} \\ \\ \LARGE\tt{} \dfrac{12 \times 3}{5 \times 3} + \dfrac{1}{1} - \dfrac{2 \times 5}{3 \times 5} \\ \\\LARGE\tt{} \dfrac{36}{15} + \dfrac{1 \times 15}{1 \times 15} - \dfrac{10}{15} \\ \\\LARGE\tt{} \dfrac{36}{15} + \dfrac{15}{15} - \dfrac{10}{15} \\ \\ \LARGE\tt{} \dfrac{36 + 15 - 10}{15} \\ \\ \LARGE\tt{}36 + 15 - 10 \\ \LARGE\tt{}51 - 10 \\ \LARGE\tt{}41 \\ \\ \LARGE\tt{} \dfrac{41}{15} \\ \\ \LARGE\tt{} \boxed{ \dfrac{41}{15} }[/tex]

[tex]{\large\boxed{\boxed{  { \large \tt Bons~Estudos }}}}[/tex]