But do note that Jackpot World is not a real casino and that you can never cash out your winnings in the game. Winning 12,000,000 coins in the game does not mean you win 12,000,000 dollars. The game is purely for entertainment purposes.
For fractions greater than 1, the formula is as follows: (fractional value) * 100 = American odds. For fractions less than 1, the formula is as follows: -100 / (fractional value) = American odds.