Answers

The simplest form of -3078/840 is -513/140.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 3078 and 840 is 6
2. Divide both the numerator and denominator by the GCD
   -3078 ÷ 6/840 ÷ 6
3. Reduced fraction: -513/140
   Therefore, -3078/840 simplified to lowest terms is -513/140.

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