Answers

The simplest form of -129/18 is -43/6.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 129 and 18 is 3
2. Divide both the numerator and denominator by the GCD
   -129 ÷ 3/18 ÷ 3
3. Reduced fraction: -43/6
   Therefore, -129/18 simplified to lowest terms is -43/6.

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