Question

Calcule as seguintes expressão numérica. A) 6/10 + 2/5 b) 12/9 + 2/3

Answer 1

Explicação passo-a-passo:

A) 6/10 + 2/5

= 6/10 (:2)/(:2) + 2/5

= 3/5+2/5

= 5/5

= 1

b) 12/9 + 2/3

= 12/9(:3)/(:3) + 2/3

= 4/3+2/3

= 6/3

= 2