Question

faça a divisão das frações a) 2/3÷ 5/4
b) 1/3÷ 2/7
c) 9/5÷ 8/6
d) 7/9 ÷4/3
e) 2/3÷5/3​

Answer 1

Resposta:

Explicação:

a)

5/6 ÷ 4/5

5/6 × 5/4

25/24

b)

1/2 ÷ 3/4

1/2 × 4/3

4/6 ÷ 2

2/3

c)

5/6 ÷ 8/9

5/6 × 9/8

5/2 × 3/8

15/16

d)

4/3 ÷ 1/2

4/3 × 2/1

8/3

e)

20/3 ÷ 2/3

20/3 × 3/2

60/6

10

f)

5/2 ÷ 1/2

5/2 × 2/1

10/2

5

g)

9/2 ÷ 4/5

9/2 × 5/4

45/8

h)

7/6 ÷ 3/2

7/6 × 2/3

7/3 × 1/3

7/9

i)

2/3 ÷ 9/3 + 5/9

2/3 × 3/9 + 5/9

2 × 1/9 + 5/9

2/9 + 5/9

2 + 5/9

7/9

j)

5/4 ÷ 2/7 ÷ 4/7 ÷ 1/3 ÷ 1/2

5/4 × 7/2 × 7/4 × 3 × 2

5/4 × 7 × 7/4 × 3

735/16

Espero ter ajudado.