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Subtract 6/12 from 21/9

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

21/9 - 6/12 is 11/6.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 12 is 36

    Next, find the equivalent fraction of both fractional numbers with denominator 36
  2. For the 1st fraction, since 9 × 4 = 36,
    21/9 = 21 × 4/9 × 4 = 84/36
  3. Likewise, for the 2nd fraction, since 12 × 3 = 36,
    6/12 = 6 × 3/12 × 3 = 18/36
  4. Subtract the two like fractions:
    84/36 - 18/36 = 84 - 18/36 = 66/36
  5. After reducing the fraction, the answer is 11/6
  6. In mixed form: 15/6

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