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Subtract 9/21 from 90/21

1st number: 4 6/21, 2nd number: 9/21

90/21 - 9/21 is 27/7.

Steps for subtracting fractions

  1. Subtract the two fractions:
    90/21 - 9/21 = 90 - 9/21 = 81/21
  2. After reducing the fraction, the answer is 27/7
  3. In mixed form: 36/7

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