Answers

The simplest form of -128/72 is -16/9.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 128 and 72 is 8
2. Divide both the numerator and denominator by the GCD
   -128 ÷ 8/72 ÷ 8
3. Reduced fraction: -16/9
   Therefore, -128/72 simplified to lowest terms is -16/9.

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