how to convert a fraction to float in ruby

Question

I have a string \"1/16\" I want to convert it to float and multiply it by 45. However, I dont get the desired results.

I am trying in

Answer 1

This is the most understandable answer I can think of:

def toFloat(fract)

   str = fract.to_s
   parts = str.split("/")

   numerator = parts[0].to_f
   denominator = parts[1].to_f

   return numerator / denominator

end

puts toFloat(3/4r) # 0.75

puts toFloat(2/3r) # 0.666666666666...