Answers

The simplest form of -285/20 is -57/4.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 285 and 20 is 5
2. Divide both the numerator and denominator by the GCD
   -285 ÷ 5/20 ÷ 5
3. Reduced fraction: -57/4
   Therefore, -285/20 simplified to lowest terms is -57/4.

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