Answers

The simplest form of -687/450 is -229/150.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 687 and 450 is 3
2. Divide both the numerator and denominator by the GCD
   -687 ÷ 3/450 ÷ 3
3. Reduced fraction: -229/150
   Therefore, -687/450 simplified to lowest terms is -229/150.

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