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Add 4/3 and 9/21

1st number: 1 1/3, 2nd number: 9/21

4/3 + 9/21 is 37/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 21 is 21
  2. For the 1st fraction, since 3 × 7 = 21,
    4/3 = 4 × 7/3 × 7 = 28/21
  3. Likewise, for the 2nd fraction, since 21 × 1 = 21,
    9/21 = 9 × 1/21 × 1 = 9/21
  4. Add the two fractions:
    28/21 + 9/21 = 28 + 9/21 = 37/21
  5. In mixed form: 116/21

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