Before we divide, let's make the mix number/fraction into a 'normal' fraction.
2 1/4 = 9/4.
2 1/4 / 5/8 = 9/4 / 5/8 = 9/4 * 8/5 = 18/5 = 3 3/5
You can say the answer is 18/5 OR 3 3/5.
(Might look confusing, but it's easy! :D)
3.6 boi
5/8=0.625
2 1/4=2.25
2.25/0.625=(3.6 or 3 3/5);^;
