
Kenneth S. answered 04/25/17
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17% = 17/100 (because of the definition of the percent symbol) and you see that it cvannot be reduced.
50% = .50 reduces to ½.
17.5% = 17.5 / 100 = 175 /1000 and you can reduce it by dividing both numerator and denominator by 25, yielding 7/40.
2 1/3 % = 7/3 % = 7/3 times 1/100 = 7/300 and this is irreducible.
Etc. etc.
Etc. etc.
Etc. etc.