Answers

The simplest form of -456/3920 is -57/490.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 456 and 3920 is 8
2. Divide both the numerator and denominator by the GCD
   -456 ÷ 8/3920 ÷ 8
3. Reduced fraction: -57/490
   Therefore, -456/3920 simplified to lowest terms is -57/490.

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