Question

(1/3) + ( 2/5) = b) ( 1/3) + ( 3/12) = c) (4/12) – ( +1/2) = d) ( 1/6) + ( 2/6) =

Answer 1

Resposta:

Explicação passo-a-passo:

(1/3) +(2/5)=

5/15 + 6/15=

11/15

(1/3)+(3/12)=

4/12+3/12=

7/12

(4/12)-(1/2)=

4/12-6/12=

-2/12 = [simplifica por 2]

-1/6

(1/6)+(2/6)=

3/6= [ simplifica por 3]

1/2