Answers

The simplest form of -1645/225 is -329/45.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 1645 and 225 is 5
2. Divide both the numerator and denominator by the GCD
   -1645 ÷ 5/225 ÷ 5
3. Reduced fraction: -329/45
   Therefore, -1645/225 simplified to lowest terms is -329/45.

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