Order the numbers from greatest to least: 0.625, 3/8, 3/5

We know the smallest number has to be . Why? Well, one way to see it is that in decimal form, so . But another way to see it, even it you don't remember the decimal form of , is to notice that is less than , and both of the other numbers are bigger than !

Now, to order the other two numbers, you should remember that , so , which is less than .

So, the order of the numbers from greatest to least is