The phrase "obvious way" refers to something that is very clear or easily understood without needing much thought or explanation. It means that the solution or answer is very apparent or obvious to everyone. Full definition
But the most obvious way in which religions acknowledge the reality of divine mystery is by their assuming the posture of pure silence. (religion-online.org)
The elements of his mixed cultural background and life experiences are embedded in his artistic practice, albeit not always in obvious ways. (oldwestbury.edu)
This is probably the most obvious way of earning miles for future premium cabin travel but, ironically, it's far from the best. (travelingformiles.com)