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Subtract 21/81 from 84/35

1st number: 2 14/35, 2nd number: 21/81

84/35 - 21/81 is 289/135.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 81 is 2835

    Next, find the equivalent fraction of both fractional numbers with denominator 2835
  2. For the 1st fraction, since 35 × 81 = 2835,
    84/35 = 84 × 81/35 × 81 = 6804/2835
  3. Likewise, for the 2nd fraction, since 81 × 35 = 2835,
    21/81 = 21 × 35/81 × 35 = 735/2835
  4. Subtract the two like fractions:
    6804/2835 - 735/2835 = 6804 - 735/2835 = 6069/2835
  5. After reducing the fraction, the answer is 289/135
  6. In mixed form: 219/135

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