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Subtract 4/21 from 35/12

1st number: 2 11/12, 2nd number: 4/21

35/12 - 4/21 is 229/84.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 21 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 12 × 7 = 84,
    35/12 = 35 × 7/12 × 7 = 245/84
  3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
    4/21 = 4 × 4/21 × 4 = 16/84
  4. Subtract the two like fractions:
    245/84 - 16/84 = 245 - 16/84 = 229/84
  5. In mixed form: 261/84

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