Answer:
4 units
Step-by-step explanation:

The answer to your question is 2.3
To answer this problem, one way is to use the calculator and add directly the two numbers and get the average between the two. The answer is 25/77. We can also get this number by getting the LCM of the denominators which is 77. 2/7 is equal to 22/77 while 4/11 is equal to 28/77. 0.5*(22 +28) is equal to 25. Hence the answer is 25/77.
Some basic dimensions could be 4x1 and 3x2
Answer and work in picture: