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Subtract 21/12 from 56/6

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

56/6 - 21/12 is 91/12.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 12
  2. For the 1st fraction, since 6 × 2 = 12,
    56/6 = 56 × 2/6 × 2 = 112/12
  3. Likewise, for the 2nd fraction, since 12 × 1 = 12,
    21/12 = 21 × 1/12 × 1 = 21/12
  4. Subtract the two like fractions:
    112/12 - 21/12 = 112 - 21/12 = 91/12
  5. In mixed form: 77/12

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