Question

Calcule e simplifique os resultados, quando for possível.
A) 1/2+2/3
B) 5/6+2/3
C) 4/5+2/3
D) 9/2+7/4+2/3
E) 2/5+1/10+1/2
F) 2/7+1/10+3/2

Me ajuda pfv preciso mto

Answer 1

Olá...

Resolução:

a)

1/2 + 2/3 ⇒mmc 2, 3 = 6

3 + 4/6

7/6

b)

5/6 + 2/3 ⇒mmc 6, 3 = 6

5 + 4/6

9/6

c)

4/5 + 2/3 ⇒ mmc 5, 3 = 15

12 + 10/15

22/15

d)

9/2 + 7/4 + 2/3 ⇒mmc 2, 4, 3 = 12

54 + 21 + 8/12

83/12

e)

2/5 + 1/10 + 1/2⇒mmc 5, 10, 2 = 10

4 + 1 + 5/10

10/10

1

f)

2/7 + 1/10 + 3/2⇒mmc 7, 10, 2

20 + 7 + 105/70

132/70 ÷ 2

66/35

Espero ter ajudado