Hello,

I still suggest to take my NRN function.

The solution 10757/7897 for 1.362162855 has an absolute error of
8.34937E-09 while my function NRN(1.362162855,9999) would return
10505/7712 with an absolute error of just 8.07054E-09.

MOD(10505,7712) would give you the numerator.

Regards,
Bernd