It can't be a fraction, it's a whole number
1/3 or a third.
a reduced fraction is a fraction to its lowest term example:3/6 is1/2
The fraction 1/25 cannot be reduced any more.
The probability of picking a distinct set of 3 numbers from 20 is1/[20!/(3!)(17!)]= 1/1140The probability of only picking 3 from 20 is1/20
60
no
10mm
3,645,254,625,357
2
3
0.2
100