So set your monitor to 119.88 instead of 120.
Theres a reason why monitors give you both x/1000 and x/1001 framerates.
Theres a reason why monitors give you both x/1000 and x/1001 framerates.
And you can set it to 59.94, nobody is stopping you.
This entire comment chain started with, essentially, what is the LCM of 60 and 24 (or 59.94 and 23.976), and its 120 (or 119.88).