Answers

The simplest form of -171/126 is -19/14.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 171 and 126 is 9
2. Divide both the numerator and denominator by the GCD
   -171 ÷ 9/126 ÷ 9
3. Reduced fraction: -19/14
   Therefore, -171/126 simplified to lowest terms is -19/14.

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