Question

sendo a=3/8 e b= - 5/7. calcule a - b​

Answer 1

Resposta:

$\frac{3}{8} - ( - \frac{5}{7}) = \frac{3}{8} + \frac{5}{7} \\ \frac{21}{56} + \frac{40}{56} = \frac{61}{56}$