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Subtract 21/3 from 4/12

1st number: 4/12, 2nd number: 7 0/3

4/12 - 21/3 is -20/3.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 3 is 12

    Next, find the equivalent fraction of both fractional numbers with denominator 12
  2. For the 1st fraction, since 12 × 1 = 12,
    4/12 = 4 × 1/12 × 1 = 4/12
  3. Likewise, for the 2nd fraction, since 3 × 4 = 12,
    21/3 = 21 × 4/3 × 4 = 84/12
  4. Subtract the two like fractions:
    4/12 - 84/12 = 4 - 84/12 = -80/12
  5. After reducing the fraction, the answer is -20/3

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