Answers

The simplest form of -78/4 is -39/2.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 78 and 4 is 2
2. Divide both the numerator and denominator by the GCD
   -78 ÷ 2/4 ÷ 2
3. Reduced fraction: -39/2
   Therefore, -78/4 simplified to lowest terms is -39/2.

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