Solutions by everydaycalculation.com

The simplest form of -4190420 is -41942.

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

GCD of 4190 and 420 is**10** - Divide both the numerator and denominator by the GCD

-4190 ÷ 10420 ÷ 10 - Reduced fraction: -41942

Therefore, -4190/420 simplified to lowest terms is -419/42.

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