921.2 miles
Chicago > Memphis 527.4 Memphis > New Orleans 393.8
527.4 + 393.8
On what question did u go wrong
The common denominator is 1
Given the expression:
Find the LCM of the numerator to have:
Simplify both the numerator and the denominator to have:

From the result, we can see that the common denominator is 1
Learn more about fractions here: brainly.com/question/17743912