Answers

The simplest form of -2155/630 is -431/126.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 2155 and 630 is 5
2. Divide both the numerator and denominator by the GCD
   -2155 ÷ 5/630 ÷ 5
3. Reduced fraction: -431/126
   Therefore, -2155/630 simplified to lowest terms is -431/126.

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