Answers

The simplest form of -85/210 is -17/42.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 85 and 210 is 5
2. Divide both the numerator and denominator by the GCD
   -85 ÷ 5/210 ÷ 5
3. Reduced fraction: -17/42
   Therefore, -85/210 simplified to lowest terms is -17/42.

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