Answers

The simplest form of -171/1080 is -19/120.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 171 and 1080 is 9
2. Divide both the numerator and denominator by the GCD
   -171 ÷ 9/1080 ÷ 9
3. Reduced fraction: -19/120
   Therefore, -171/1080 simplified to lowest terms is -19/120.

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