Answers

The simplest form of -21/392 is -3/56.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 21 and 392 is 7
2. Divide both the numerator and denominator by the GCD
   -21 ÷ 7/392 ÷ 7
3. Reduced fraction: -3/56
   Therefore, -21/392 simplified to lowest terms is -3/56.

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