Dividing the numerator and denominator by 3, 42/81 is equal to 14/27 or fourteen twenty-sevenths.
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The simplest form for 81 over 90 is 9/10
17/81 is in its simplest form.
25/81
Expressed as a proper fraction in its simplest form, by dividing the numerator and denominator by 3, 42/81 is equal to 14/27 or fourteen twenty-sevenths.
8/81 is already in simplest form. The only common factor between 8 & 81 is 1.