Answers

The simplest form of -309/315 is -103/105.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 309 and 315 is 3
2. Divide both the numerator and denominator by the GCD
   -309 ÷ 3/315 ÷ 3
3. Reduced fraction: -103/105
   Therefore, -309/315 simplified to lowest terms is -103/105.

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