Answers

The simplest form of -1290/672 is -215/112.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 1290 and 672 is 6
2. Divide both the numerator and denominator by the GCD
   -1290 ÷ 6/672 ÷ 6
3. Reduced fraction: -215/112
   Therefore, -1290/672 simplified to lowest terms is -215/112.

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