That would be 999/1000.
0.1363636364 as a fraction = 136/999
Three digits repeating the the decimal, so put over three 9s (999): 125.512512... = 125512/999 (as a mixed number) = (125 x 999 + 512)/999 = 125387/999 (as an improper fraction)
0.999 as a fraction is 999/1000.
It is 583/999 which cannot be simplified.
296/999
625/999
343/999
185/999
Yes, EVERY fraction is a division problem. .999 is 999/1000 (999 divided by 1000)
0.453 repeated as a fraction = 453/999
9.99 as an improper fraction is 999/100