Answers

The simplest form of -168/18 is -28/3.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 168 and 18 is 6
2. Divide both the numerator and denominator by the GCD
   -168 ÷ 6/18 ÷ 6
3. Reduced fraction: -28/3
   Therefore, -168/18 simplified to lowest terms is -28/3.

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