Answers

The simplest form of -18/1400 is -9/700.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 18 and 1400 is 2
2. Divide both the numerator and denominator by the GCD
   -18 ÷ 2/1400 ÷ 2
3. Reduced fraction: -9/700
   Therefore, -18/1400 simplified to lowest terms is -9/700.

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