Answers

The simplest form of -428/450 is -214/225.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 428 and 450 is 2
2. Divide both the numerator and denominator by the GCD
   -428 ÷ 2/450 ÷ 2
3. Reduced fraction: -214/225
   Therefore, -428/450 simplified to lowest terms is -214/225.

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