Answers

The simplest form of -80/84 is -20/21.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 80 and 84 is 4
2. Divide both the numerator and denominator by the GCD
   -80 ÷ 4/84 ÷ 4
3. Reduced fraction: -20/21
   Therefore, -80/84 simplified to lowest terms is -20/21.

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