Solutions by everydaycalculation.com

The simplest form of -16420 is -4105.

- Find the GCD (or HCF) of the absolute values of both numerator and denominator

GCD of 16 and 420 is**4** - Divide both the numerator and denominator by the GCD

-16 ÷ 4420 ÷ 4 - Reduced fraction: -4105

Therefore, -16/420 simplified to lowest terms is -4/105.

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