Answers

The simplest form of -489/630 is -163/210.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 489 and 630 is 3
2. Divide both the numerator and denominator by the GCD
   -489 ÷ 3/630 ÷ 3
3. Reduced fraction: -163/210
   Therefore, -489/630 simplified to lowest terms is -163/210.

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