Answers

The simplest form of -278/200 is -139/100.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 278 and 200 is 2
2. Divide both the numerator and denominator by the GCD
   -278 ÷ 2/200 ÷ 2
3. Reduced fraction: -139/100
   Therefore, -278/200 simplified to lowest terms is -139/100.

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