Here we will show you how to convert 18/21 fractional odds to American odds, which is the same as eighteen to twenty-one fractional odds to Moneyline odds. To convert 18/21 fractional odds to American odds, we first convert the fraction to a decimal (divide the numerator by the denominator), and then we divide -100 by the decimal number, like this:
18 ÷ 21 ≈ 0.8571
-100 ÷ 0.8571 = -117
18/21 fractional odds ≈ -117 American odds
That's all there is to it. Now you know that 18/21 fractional odds is the same as -117 American odds. These odds give an implied probability of about 53.85 percent, and a one dollar bet will result in a payout of $1.86 if you win.
Fractional Odds to American Odds Converter
You can use the form below to convert another fractional odds to American odds.
18/22 fractional odds to American odds
Here is another fractional odds to American odds conversion that we have done for you.