Question

reduza as frações ao mesmo denominador comum
a) 1/6, 1/3, 1/9
b) 5/4, 3/2, 9/5
c) 7/10 , 4/15 , 5/6 , 2/5

Answer 1

OI...

a)

1/6 , 1/3 , 1/9

3/18 , 6/18 , 2/18

mmc de:

6,3,9/2

3,3,9/3

1,1,3/3    

1,1,1   18

b)

5/4 , 3/2 , 9/5

25/20 , 30/20 , 36/20

mmc de:

4,2,5/2

2,1,5/2

1,1,5/5    

1,1,1    20

c)

7/10 , 4/15 , 5/6 , 2/5

21/30 , 8/30 , 25/30 , 12/30

mmc de:

10,15,6,5/2

5,15,3,5/3

5,5,1,5/5  

1,1,1,1     30

Espero ter ajudado

Answer 2

Resposta:

a)

1/6 , 1/3 , 1/9

3/18 , 6/18 , 2/18

mmc de:

6,3,9/2

3,3,9/3

1,1,3/3    

1,1,1   18

b)

5/4 , 3/2 , 9/5

25/20 , 30/20 , 36/20

mmc de:

4,2,5/2

2,1,5/2

1,1,5/5    

1,1,1    20

c)

7/10 , 4/15 , 5/6 , 2/5

21/30 , 8/30 , 25/30 , 12/30

mmc de:

10,15,6,5/2

5,15,3,5/3

5,5,1,5/5  

1,1,1,1     30