Answers

The simplest form of -1535/420 is -307/84.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 1535 and 420 is 5
2. Divide both the numerator and denominator by the GCD
   -1535 ÷ 5/420 ÷ 5
3. Reduced fraction: -307/84
   Therefore, -1535/420 simplified to lowest terms is -307/84.

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