Answers

The simplest form of -180/42 is -30/7.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 180 and 42 is 6
2. Divide both the numerator and denominator by the GCD
   -180 ÷ 6/42 ÷ 6
3. Reduced fraction: -30/7
   Therefore, -180/42 simplified to lowest terms is -30/7.

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