Question

1/2+2/3+7/5=
..............,

Answer 1

Resposta:

Explicação passo a passo:

1/2+2/3+7/5=

15/30+20/30+42/30

77/30

Answer 2

mmc (2 ,3 , 5) = 30

2 , 3 , 5 ║ 2

1 , 3 , 5  ║ 3

1 , 1 , 5   ║ 5

1 , 1 , 1    ║    ⇒ 2 · 3 · 5 = 6 · 5 = 30

Agora vamos resolver:

$\frac{1}{2} + \frac{2}{3}+\frac{7}{5}$

$\frac{15+20+42}{30}$

$\frac{77}{30}$