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Add 21/12 and 7/3

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

21/12 + 7/3 is 49/12.

Steps for adding 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,
    21/12 = 21 × 1/12 × 1 = 21/12
  3. Likewise, for the 2nd fraction, since 3 × 4 = 12,
    7/3 = 7 × 4/3 × 4 = 28/12
  4. Add the two like fractions:
    21/12 + 28/12 = 21 + 28/12 = 49/12
  5. So, 21/12 + 7/3 = 49/12
    In mixed form: 41/12

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