Answers

The simplest form of -138/20 is -69/10.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 138 and 20 is 2
2. Divide both the numerator and denominator by the GCD
   -138 ÷ 2/20 ÷ 2
3. Reduced fraction: -69/10
   Therefore, -138/20 simplified to lowest terms is -69/10.

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