Question

Efetua as operações com frações:

- 3/7 x 14/9=

- 5/8 x 4/25=

- 5/7 ÷ 15/21=

- 16/27 ÷ 8/3=​

Answer 1

Oi..

a)  - 3/7 × 14/9 = - 42/63 ÷ 21 = - 2/3

b) - 5/8 × 4/25 = - 20/200 ÷ 20 = -  1/10

c) - 5/7 ÷ 15/21 = - 5/7 × 21/15 = - 105/105 ÷ 105 = - 1

d) - 16/27 ÷ 8/3 = - 16/27 × 3/8 = - 48/216 ÷ 24 = - 2/9

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