Answers

The simplest form of -4215/504 is -1405/168.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 4215 and 504 is 3
2. Divide both the numerator and denominator by the GCD
   -4215 ÷ 3/504 ÷ 3
3. Reduced fraction: -1405/168
   Therefore, -4215/504 simplified to lowest terms is -1405/168.

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