Answers

The simplest form of -81/84 is -27/28.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 81 and 84 is 3
2. Divide both the numerator and denominator by the GCD
   -81 ÷ 3/84 ÷ 3
3. Reduced fraction: -27/28
   Therefore, -81/84 simplified to lowest terms is -27/28.

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