Question

How do you do 1/8 the sum of 23 and 17

Answer 1

$\sf 23+17=40 \\ \\ \frac{1}{8}*40= \frac{40}{8}=\boxed{\sf 5}$

Answer 2

You add 23 and 17: 
23 + 17= 40 
Then you find 1/8 of 40:
1/8 * 40/1= 5