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Add 5/12 and 21/9

1st number: 5/12, 2nd number: 2 3/9

5/12 + 21/9 is 11/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 9 is 36
  2. For the 1st fraction, since 12 × 3 = 36,
    5/12 = 5 × 3/12 × 3 = 15/36
  3. Likewise, for the 2nd fraction, since 9 × 4 = 36,
    21/9 = 21 × 4/9 × 4 = 84/36
  4. Add the two fractions:
    15/36 + 84/36 = 15 + 84/36 = 99/36
  5. After reducing the fraction, the answer is 11/4
  6. In mixed form: 23/4

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