Answers

The simplest form of -639/360 is -71/40.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 639 and 360 is 9
2. Divide both the numerator and denominator by the GCD
   -639 ÷ 9/360 ÷ 9
3. Reduced fraction: -71/40
   Therefore, -639/360 simplified to lowest terms is -71/40.

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