Answers

The simplest form of -1638/200 is -819/100.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 1638 and 200 is 2
2. Divide both the numerator and denominator by the GCD
   -1638 ÷ 2/200 ÷ 2
3. Reduced fraction: -819/100
   Therefore, -1638/200 simplified to lowest terms is -819/100.

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