Answers

The simplest form of 1280/8390 is 128/839.

Steps to simplifying fractions

1. Find the GCD (or HCF) of numerator and denominator
   GCD of 1280 and 8390 is 10
2. Divide both the numerator and denominator by the GCD
   1280 ÷ 10/8390 ÷ 10
3. Reduced fraction: 128/839
   Therefore, 1280/8390 simplified to lowest terms is 128/839.

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