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Subtract 20/81 from 14/9

1st number: 1 5/9, 2nd number: 20/81

14/9 - 20/81 is 106/81.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 81 is 81

    Next, find the equivalent fraction of both fractional numbers with denominator 81
  2. For the 1st fraction, since 9 × 9 = 81,
    14/9 = 14 × 9/9 × 9 = 126/81
  3. Likewise, for the 2nd fraction, since 81 × 1 = 81,
    20/81 = 20 × 1/81 × 1 = 20/81
  4. Subtract the two like fractions:
    126/81 - 20/81 = 126 - 20/81 = 106/81
  5. In mixed form: 125/81

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