Answers

The simplest form of -80/72 is -10/9.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 80 and 72 is 8
2. Divide both the numerator and denominator by the GCD
   -80 ÷ 8/72 ÷ 8
3. Reduced fraction: -10/9
   Therefore, -80/72 simplified to lowest terms is -10/9.

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