Answers

The simplest form of -213/210 is -71/70.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 213 and 210 is 3
2. Divide both the numerator and denominator by the GCD
   -213 ÷ 3/210 ÷ 3
3. Reduced fraction: -71/70
   Therefore, -213/210 simplified to lowest terms is -71/70.

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