Answers

The simplest form of -1389/5670 is -463/1890.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 1389 and 5670 is 3
2. Divide both the numerator and denominator by the GCD
   -1389 ÷ 3/5670 ÷ 3
3. Reduced fraction: -463/1890
   Therefore, -1389/5670 simplified to lowest terms is -463/1890.

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