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Subtract 27/6 from 81/12

1st number: 6 9/12, 2nd number: 4 3/6

81/12 - 27/6 is 9/4.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 6 is 12

    Next, find the equivalent fraction of both fractional numbers with denominator 12
  2. For the 1st fraction, since 12 × 1 = 12,
    81/12 = 81 × 1/12 × 1 = 81/12
  3. Likewise, for the 2nd fraction, since 6 × 2 = 12,
    27/6 = 27 × 2/6 × 2 = 54/12
  4. Subtract the two like fractions:
    81/12 - 54/12 = 81 - 54/12 = 27/12
  5. After reducing the fraction, the answer is 9/4
  6. In mixed form: 21/4

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