Answers

The simplest form of -207/270 is -23/30.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 207 and 270 is 9
2. Divide both the numerator and denominator by the GCD
   -207 ÷ 9/270 ÷ 9
3. Reduced fraction: -23/30
   Therefore, -207/270 simplified to lowest terms is -23/30.

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