Answers

The simplest form of -688/60 is -172/15.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 688 and 60 is 4
2. Divide both the numerator and denominator by the GCD
   -688 ÷ 4/60 ÷ 4
3. Reduced fraction: -172/15
   Therefore, -688/60 simplified to lowest terms is -172/15.

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