Here we will show you how to convert the implied probability of 81.1 percent to fractional odds. To convert the implied probability of 81.1 percent to fractional odds, you make the numerator 100 minus 81.1 (100 - 81.1) and the denominator 81.1, and then you simplify, like this:
(100-81.1)/81.1
18.9/81.1 = 189/811
81.1% probability = 189/811 fractional odds
That's all there is to it. Now you know that you need fractional odds of 189/811 if you want a 81.1 percent implied probability of winning.
Implied Probability to Fractional Odds Converter
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Convert 81.11 percent implied probability to fractional odds
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