Answers

The simplest form of -420/54 is -70/9.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 420 and 54 is 6
2. Divide both the numerator and denominator by the GCD
   -420 ÷ 6/54 ÷ 6
3. Reduced fraction: -70/9
   Therefore, -420/54 simplified to lowest terms is -70/9.

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