It is "novecientos noventa y nueve"
999 = novecientos noventa y nueve
999 = CMXCIX
That would be 999.
use < or> to write a true sentence 999 997
MX$999 or MXP$999 are valid formats.
214/999 is already in its simplest form
Novecientos noventa y nueve.
you don't
999
Novecientos noventa y nueve.
0.999 as a fraction is 999/1000.
0.999. there are 3 digits after decimal pint so divide 999 with 1000 which is 999/1000