Answers

The simplest form of -105/40 is -21/8.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 105 and 40 is 5
2. Divide both the numerator and denominator by the GCD
   -105 ÷ 5/40 ÷ 5
3. Reduced fraction: -21/8
   Therefore, -105/40 simplified to lowest terms is -21/8.

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