Answers

The simplest form of -1209/1260 is -403/420.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 1209 and 1260 is 3
2. Divide both the numerator and denominator by the GCD
   -1209 ÷ 3/1260 ÷ 3
3. Reduced fraction: -403/420
   Therefore, -1209/1260 simplified to lowest terms is -403/420.

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