Question

b 3/14 - 3/7
c 7 + 1/7
d 3/5 + 3/4 + 1/2
e 1/12 + 5/6 + 3/4
f 8 + 1/5 + 4/35
efetue as adições ​

Answer 1

Oi....

Resolução:

b)

3/14 - 3/7 ⇒mmc de 17,7 = 14

3 - 6/14

- 3/14

c)

7 + 1/7 ⇒mmc = 7

49 + 1/7

50/7

d)

3/5 + 3/4 + 1/2 ⇒mmc de 5,4,2 = 20

12 + 15 + 10/20

37/20

e)

1/12 + 5/6 + 3/4 ⇒mmc de 12, 6, 4 = 12

1 + 10 + 9/12

20/12 ÷ 4

5/3

f)

8 + 1/5 + 4/35⇒mmc de 1,5,35 = 35

280 + 7 + 4/35

291/35

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