What is the middle between 5 foot 5 and 6 foot 4?

5 foot 5 inches = 65 inches
6 foot 4 inches = 76 inches

(65 + 76 ) / 2 = 71 inches = 5 foot 11 inches.

The above answer is average not middle to do that you subtract then divide by 2 do

76-65 is 11

11 divide by 2 is 5.5

5.5 is your answer