If the file units is Inches, and your drawing is Inches, but you want to create dual dimensions to display the primary dimension to be inches and secondary to be feet/Inch, how can this be accomplished?
Solution
In Drafting Application go to Preferences --> Drafting --> Dimension --> Dual --> Toggle on Show Dual Dimension --> Units --> Architectural Feet/Inches and Numerical Display to Full Size Fraction.
Text --> Units --> Engineering Feet/Inches.
Your dimension would look as below:
Notes
Notes