1/1

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McWendysCH
What does 1/1 mean?
McWendysCH
And 2/1, 3/2, 5/5?????
Mr-wonder-bob7t

those are called fractions. 

Mr-wonder-bob7t

1/2 describes something that happens 1 out of 2 times. For example the odds of getting heads on a penny is 1/2. 1/2 is the same as 50%