Answers

The simplest form of -166/490 is -83/245.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 166 and 490 is 2
2. Divide both the numerator and denominator by the GCD
   -166 ÷ 2/490 ÷ 2
3. Reduced fraction: -83/245
   Therefore, -166/490 simplified to lowest terms is -83/245.

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