Racket number->string conversion issue

Question

When I write in DrRacket:

(number->string (/ 3 2))

I get

"3/2"

How can I get "1.5" instead?

Answer 1

You're looking for ~r:

(~r (/ 3 2))
=> "1.5"
(~r (/ 2 2))
=> "1"