Question

Calcule as frações:

a)1/7 + 6/7=

b)5/6 + 1/3=

c)0,75 - 1/4=

d)1/3 + 1/3 + 1/3=

e)0,5 + 1/2=

f)5/6 + 1,3 + 1/6 + 0,7=​

Answer 1

Oi...

a)

1/7 + 6/7

1 + 6/7

7/7

1

b)

5/6 + 1/3⇒mmc=6

5 + 2/6

7/6

c)

0,75 - 1/4

75/100 - 1/4

3/4 - 1/4

3 - 1/4

2/4 ÷ 2

1/2

d)

1/3 + 1/3 + 1/3

1 + 1 + 1/3

3 /3

1

e)

0,5 + 1/2

5/10 + 1/2

1/2 + 1/2

1 + 1/2

2/2

1

f)

5/6 + 1,3 + 1/6 + 0,7

5/6 + 13/10 + 1/6 + 7/10⇒mmc=30

25 + 39 + 5 + 21/30

90/30

3

Espero ter ajudado.