Question

Quanto vale d – c, se d = 4/6 e c = –6/10?

Answer 1

Explicação passo-a-passo:

$d - c = \frac{4}{6} - \frac{ - 6}{10}$

$d - c = \frac{40 - ( - 36) }{60} \\ d - c = \frac{76}{60}$

$d - c = \frac{76}{60} = \frac{38}{30} = \frac{19}{15}$