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Subtract 2/81 from 84/8

1st number: 10 4/8, 2nd number: 2/81

84/8 - 2/81 is 1697/162.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 81 is 648

    Next, find the equivalent fraction of both fractional numbers with denominator 648
  2. For the 1st fraction, since 8 × 81 = 648,
    84/8 = 84 × 81/8 × 81 = 6804/648
  3. Likewise, for the 2nd fraction, since 81 × 8 = 648,
    2/81 = 2 × 8/81 × 8 = 16/648
  4. Subtract the two like fractions:
    6804/648 - 16/648 = 6804 - 16/648 = 6788/648
  5. After reducing the fraction, the answer is 1697/162
  6. In mixed form: 1077/162

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