Question

1/5+4/3-9/15 me ajude

Answer 1

1/5 + 4/3 - 9/15

1/5 + 4/3 - 3/5

(3 + 20 - 9)/15

(20 - 6)/15

14/15

Resposta: 14/15

Answer 2

Olá,

$\frac{1}{5} + \frac{4}{3} - \frac{9}{15} \\ = \frac{1}{5} . \frac{3}{3} + \frac{4}{3} . \frac{5}{5} - \frac{9}{15} \\ = \frac{3}{12} + \frac{20}{15} - \frac{9}{15} \\ = \frac{3 + 20 - 9}{15} \\ = \frac{14}{15}$