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Subtract 80/21 from 20/21

1st number: 20/21, 2nd number: 3 17/21

20/21 - 80/21 is -20/7.

Steps for subtracting fractions

  1. Subtract the two fractions:
    20/21 - 80/21 = 20 - 80/21 = -60/21
  2. After reducing the fraction, the answer is -20/7

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