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Add 28/3 and 12/7

1st number: 9 1/3, 2nd number: 1 5/7

28/3 + 12/7 is 232/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 7 is 21
  2. For the 1st fraction, since 3 × 7 = 21,
    28/3 = 28 × 7/3 × 7 = 196/21
  3. Likewise, for the 2nd fraction, since 7 × 3 = 21,
    12/7 = 12 × 3/7 × 3 = 36/21
  4. Add the two fractions:
    196/21 + 36/21 = 196 + 36/21 = 232/21
  5. In mixed form: 111/21

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