Question

Resolva: 3/4 + 4/5 - 3/10

Answer 1

Resposta:

5/4

Explicação passo a passo:

Mmc (4,5,10) = 20

4,5,10: 2

2,5,5: 2

1,5,5: 5

1,1,1

= 2.2.5

= 4.5

= 20

= 3/4 + 4/5 - 3/10

= (5.3 + 4.4 - 2.3)/20

= (15+16-6)/20

= (15+10)/20

= 25/20 (:5)/(:5)

= 5/4