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Subtract 21/12 from 8/3

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

8/3 - 21/12 is 11/12.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 12 is 12
  2. For the 1st fraction, since 3 × 4 = 12,
    8/3 = 8 × 4/3 × 4 = 32/12
  3. Likewise, for the 2nd fraction, since 12 × 1 = 12,
    21/12 = 21 × 1/12 × 1 = 21/12
  4. Subtract the two fractions:
    32/12 - 21/12 = 32 - 21/12 = 11/12

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