Question

Se alguém souber me ajude

Answer 1

$2\frac{2}{3} -\frac{3}{4} \cdot \frac{3}{5} =\frac{3\cdot2+2}{3} -\frac{9}{20} =\frac{8}{3} -\frac{9}{20} =\frac{160}{60} -\frac{27}{60} =\frac{160-27}{60} =\frac{133}{60}$