Calculando com frações - Lista 2

Calculando Frações 2

Resolva as expressões numéricas a seguir e escolha a alternativa certa:

1. 2/5 x 4/12 =

2/7
2/5
2/15
8/5
8/15


2. 3/8 x 2/7 =

3/28
6/28
1/28
1/56
5/56


3. 8 x 5/6 =

40/3
20/3
13/6
20/6
1/6


4. 9/18 x 9 =

18
1
81/9
9/2
1/18


5. 3/4 x 1/5 x 2 =

6/10
0/20
3/20
3/10
1/10


6. 3/4 : 1/2 =

3/8
3/2
4/6
1/2
5/4


7. 5/7 : 15/14 =

75/98
19/22
14/105
3/2
2/3


8. 2/9 : 3/5 =

5/14
6/45
10/27
3/15
1/4


9. 8 : 1/2 =

4
8
16
32
64


10. 1/4 x 3/7 : 3/28 =

1
2
4
6
8