Question

1) Resolva as frações a seguir

A)1/4 + 2/3

B)2/3 + 1/3

C)4/3 - 2/4

D)3/8 - 2/8

E)4/5 × 6/2

F)4/5 ÷ 6/2

Com cálculos pfv

Answer 1

Oi...

a)

1/4 + 2/ 3 ⇒o mmc de (4,3)=12

3 + 8/12

11/12

b)

2/3 + 1/3

2 + 1/3

3/3

1

c)

4/3 - 2/4

4/3 - 1/2 ⇒o mmc de (3,2)=6

8 - 3/6

5/6

d)

3/8 - 2/8

3 - 2/8

1/8

e)

4/5 × 6/2

24/10 ÷ 2

12/5

f)

4/5 ÷ 6/2

4/5 × 2/6

4/5 × 1/3

4/15

Bons estudos