Answers

The simplest form of -279/504 is -31/56.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 279 and 504 is 9
2. Divide both the numerator and denominator by the GCD
   -279 ÷ 9/504 ÷ 9
3. Reduced fraction: -31/56
   Therefore, -279/504 simplified to lowest terms is -31/56.

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