Answers

The simplest form of -86/108 is -43/54.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 86 and 108 is 2
2. Divide both the numerator and denominator by the GCD
   -86 ÷ 2/108 ÷ 2
3. Reduced fraction: -43/54
   Therefore, -86/108 simplified to lowest terms is -43/54.

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