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Add 21/3 and 4/9

1st number: 7 0/3, 2nd number: 4/9

21/3 + 4/9 is 67/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 9 is 9
  2. For the 1st fraction, since 3 × 3 = 9,
    21/3 = 21 × 3/3 × 3 = 63/9
  3. Likewise, for the 2nd fraction, since 9 × 1 = 9,
    4/9 = 4 × 1/9 × 1 = 4/9
  4. Add the two fractions:
    63/9 + 4/9 = 63 + 4/9 = 67/9
  5. So, 21/3 + 4/9 = 67/9
    In mixed form: 74/9

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