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Add 10/84 and 12/9

1st number: 10/84, 2nd number: 1 3/9

10/84 + 12/9 is 61/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 9 is 252
  2. For the 1st fraction, since 84 × 3 = 252,
    10/84 = 10 × 3/84 × 3 = 30/252
  3. Likewise, for the 2nd fraction, since 9 × 28 = 252,
    12/9 = 12 × 28/9 × 28 = 336/252
  4. Add the two fractions:
    30/252 + 336/252 = 30 + 336/252 = 366/252
  5. After reducing the fraction, the answer is 61/42
  6. In mixed form: 119/42

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