Answers

The simplest form of -657/378 is -73/42.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 657 and 378 is 9
2. Divide both the numerator and denominator by the GCD
   -657 ÷ 9/378 ÷ 9
3. Reduced fraction: -73/42
   Therefore, -657/378 simplified to lowest terms is -73/42.

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