Answers

The simplest form of -555/280 is -111/56.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 555 and 280 is 5
2. Divide both the numerator and denominator by the GCD
   -555 ÷ 5/280 ÷ 5
3. Reduced fraction: -111/56
   Therefore, -555/280 simplified to lowest terms is -111/56.

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