Question

quanto é A) 1/2 + 3/2 B) 4/6 - 1/6 C)3/4 + 1 D) 2 - 2/3 E) 3/2 + 2/3 F)1/3 + 4/6 G) 3/4 + 5/6 H)1/2+1/3+1/5 I) 3/2 - 2/3 J) 4/6 - 1/3​

Answer 1

Resposta:

A) 2; B) 1/2; C) -1/4; D) 4/3; E) 13/6; F) 1; G) 19/12; H) 31/30; I) -1/6; J) 1/3.

Explicação passo a passo:

A) 1/2 + 3/2 =

4/2 = 2.

B) 4/6 - 1/6 =

3/6 = 1/2.

C) 3/4 + 1 =

igualando os denominadores:

3/4 - 4/4 =

- 1/4.

D) 2 - 2/3 =

igualando os denominadores:

6/3 - 2/3 =

4/3.

E) 3/2 + 2/3 =

igualando os denominadores:

9/6 + 4/6 =

13/6.

F) 1/3 + 4/6 =

igualando os denominadores:

2/6 + 4/6 =

6/6 = 1.

G) 3/4 + 5/6 =

igualando os denominadores:

9/12 + 10/12 =

19/12.

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

igualando os denominadores:

15/30 + 10/30 + 6/30 =

25/30 + 6/30 =

31/30.

I) 3/2 - 2/3 =

igualando os denominadores:

2/6 - 3/6 =

- 1/6.

J) 4/6 - 1/3 =

igualando os denominadores:

4/6 - 2/6 =

2/6 = 1/3.