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Add 4/3 and 21/9

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

4/3 + 21/9 is 11/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 9 is 9

    Next, find the equivalent fraction of both fractional numbers with denominator 9
  2. For the 1st fraction, since 3 × 3 = 9,
    4/3 = 4 × 3/3 × 3 = 12/9
  3. Likewise, for the 2nd fraction, since 9 × 1 = 9,
    21/9 = 21 × 1/9 × 1 = 21/9
  4. Add the two like fractions:
    12/9 + 21/9 = 12 + 21/9 = 33/9
  5. 33/9 simplified gives 11/3
  6. So, 4/3 + 21/9 = 11/3
    In mixed form: 32/3

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