days in may to days in a year
31/365This cannot be simplified because 31 is a prime number (it only has 1 and 31 as its factors) and 365 is not evenly divisible by 31.
Well, it depends on the year. Leap years have one more day. Regular Year: 31 : 365Leap Year: 31 : 366 The colons also could be slashes for fractions.
