Answers

The simplest form of -543/126 is -181/42.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 543 and 126 is 3
2. Divide both the numerator and denominator by the GCD
   -543 ÷ 3/126 ÷ 3
3. Reduced fraction: -181/42
   Therefore, -543/126 simplified to lowest terms is -181/42.

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