754/81 = 72/3 (as a mixed number)
= 23/3 (as an improper fraction)
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2/3 is the simplest form of 54/81.
2/3
The simplest form for 81 over 90 is 9/10
17/81 is in its simplest form.
Both numbers will divide by 27 to give this fraction in its simplest form as 2/3.