Operações com Frações e Números Racionais

1. Calcule: 1/4 + 1/6

• 2/5

• 1/2

• 1/3

• 5/12

2. Calcule: 3/5 - 1/2

• 1/5

• 3/10

• 1/10

• 2/5

3. Calcule: 2/3 × 3/4

• 3/8

• 2/5

• 1/3

• 1/2

4. Calcule: 5/8 ÷ 1/2

• 3/8

• 2/5

• 1/4

• 5/4

5. Quais são as frações equivalentes a 2/3?

• 3/4

• 5/6

• 4/6, 6/9, 8/12, 10/15, 12/18

• 1/2

6. Calcule: 1/2 + 1/3

• 1/6

• 2/5

• 5/6

• 3/4

7. Calcule: 7/10 - 1/5

• 1/2

• 3/10

• 2/5

• 1/3

8. Calcule: 4/5 × 2/3

• 3/4

• 2/5

• 1/2

• 8/15

9. Calcule: 3/4 ÷ 1/2

• 3/2

• 1/2

• 2/3

• 1/4

10. Quais são as frações equivalentes a 3/5?

• 6/10, 9/15, 12/20, 15/25, 18/30

• 2/5 7/3 3/7

• 4/10 8/5 7/5 3/9

• 5/15 4/5 3/5 2/5 1/5