Answers

The simplest form of -220/504 is -55/126.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 220 and 504 is 4
2. Divide both the numerator and denominator by the GCD
   -220 ÷ 4/504 ÷ 4
3. Reduced fraction: -55/126
   Therefore, -220/504 simplified to lowest terms is -55/126.

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