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Add 7/84 and 28/9

1st number: 7/84, 2nd number: 3 1/9

7/84 + 28/9 is 115/36.

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,
    7/84 = 7 × 3/84 × 3 = 21/252
  3. Likewise, for the 2nd fraction, since 9 × 28 = 252,
    28/9 = 28 × 28/9 × 28 = 784/252
  4. Add the two fractions:
    21/252 + 784/252 = 21 + 784/252 = 805/252
  5. After reducing the fraction, the answer is 115/36
  6. In mixed form: 37/36

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