Answers

The simplest form of -685/490 is -137/98.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 685 and 490 is 5
2. Divide both the numerator and denominator by the GCD
   -685 ÷ 5/490 ÷ 5
3. Reduced fraction: -137/98
   Therefore, -685/490 simplified to lowest terms is -137/98.

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