Answers

The simplest form of -91/28 is -13/4.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 91 and 28 is 7
2. Divide both the numerator and denominator by the GCD
   -91 ÷ 7/28 ÷ 7
3. Reduced fraction: -13/4
   Therefore, -91/28 simplified to lowest terms is -13/4.

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