Question

Please answer the question. ​

Answer 1

Answer:

1. =1 as 7/7
2. =2/9
3. =-6/11

Step-by-step explanation:

thanks

Answer 2

$\frac{2}{7} + \frac{5}{7} = \frac{2 + 5}{7} = \frac{7}{7} = 1$

$\frac{ - 5}{9} + \frac{7}{9} = \frac{ (- 5) + 7}{9} = \frac{2}{9}$

$2 \times \frac{3}{11} + \frac{9}{ - 11} = \frac{25}{11} + \frac{( - 9)}{11} = \frac{25 + ( - 9)}{11} = \frac{25 - 9}{11} = \frac{16}{11}$