Answers

The simplest form of -1666/216 is -833/108.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 1666 and 216 is 2
2. Divide both the numerator and denominator by the GCD
   -1666 ÷ 2/216 ÷ 2
3. Reduced fraction: -833/108
   Therefore, -1666/216 simplified to lowest terms is -833/108.

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