Answers

The simplest form of -126/240 is -21/40.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 126 and 240 is 6
2. Divide both the numerator and denominator by the GCD
   -126 ÷ 6/240 ÷ 6
3. Reduced fraction: -21/40
   Therefore, -126/240 simplified to lowest terms is -21/40.

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