Answers

The simplest form of -1658/840 is -829/420.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 1658 and 840 is 2
2. Divide both the numerator and denominator by the GCD
   -1658 ÷ 2/840 ÷ 2
3. Reduced fraction: -829/420
   Therefore, -1658/840 simplified to lowest terms is -829/420.

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