How many 2/5's are in one yeilds a result of 2/5 x 5/2 = 1

use the answer from above, to find the number of 2/5's in 2.

What is the proper way of writing this.

Thanks

how many 2/5 are in one?

divide one by 2/5.

You get 5/2 or 2.5

In two, there are five 2/5.