2/5 * 60 = 24

There are 24 white and 36 red.

Since \(24/X = 7/9 \)

does not have an integer solution, you cannot solve this by just removing red balls.

If you remove red and white balls you can have 7/9, 14/18 or 21/27.

(7 white and 2 red) or (14 white and 4 red) or (21 white and 6 red)