Answers

The simplest form of -1390/315 is -278/63.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 1390 and 315 is 5
2. Divide both the numerator and denominator by the GCD
   -1390 ÷ 5/315 ÷ 5
3. Reduced fraction: -278/63
   Therefore, -1390/315 simplified to lowest terms is -278/63.

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