Question

I am really in need of it please answer correct ​

Answer 1

Answer:

Step-by-step explanation:

The solution is in the attachment. Thank you :)

Answer 2

Answer:

$\frac{79}{99}$

Step-by-step explanation:

LCM of 9 & 11 is 99

77/99 + 81/99 = 158/99

158/99÷2 = 158/99×1/2 = 158/198

79/99

Average of the fractions is 77/99