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Add 12/30 and 84/9

1st number: 12/30, 2nd number: 9 3/9

12/30 + 84/9 is 146/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 9 is 90
  2. For the 1st fraction, since 30 × 3 = 90,
    12/30 = 12 × 3/30 × 3 = 36/90
  3. Likewise, for the 2nd fraction, since 9 × 10 = 90,
    84/9 = 84 × 10/9 × 10 = 840/90
  4. Add the two fractions:
    36/90 + 840/90 = 36 + 840/90 = 876/90
  5. 876/90 simplified gives 146/15
  6. So, 12/30 + 84/9 = 146/15
    In mixed form: 911/15

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