Question

Denominador 2/3+5/12-7/4

Answer 1

$\LARGE\tt{} \dfrac{2}{3} + \dfrac{5}{12} - \dfrac{7}{4} \\ \\ \LARGE\tt{} \dfrac{8 + 5 - 21}{12} \\ \\\LARGE\tt{} \dfrac{ - 8}{12} \\ \\ \LARGE\tt{} - \frac{8}{12} \\ \\ \LARGE\tt{} - \frac{\cancel{8}}{\cancel{12}} \div 4 \\ \\ \LARGE\tt{} \boxed{ - \dfrac{2}{3} }$

${\large\boxed{\boxed{  { \large \tt Bons~Estudos }}}}$