Answers

The simplest form of -2457/280 is -351/40.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 2457 and 280 is 7
2. Divide both the numerator and denominator by the GCD
   -2457 ÷ 7/280 ÷ 7
3. Reduced fraction: -351/40
   Therefore, -2457/280 simplified to lowest terms is -351/40.

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