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Add 84/4 and 28/9

1st number: 21 0/4, 2nd number: 3 1/9

84/4 + 28/9 is 217/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 9 is 36

    Next, find the equivalent fraction of both fractional numbers with denominator 36
  2. For the 1st fraction, since 4 × 9 = 36,
    84/4 = 84 × 9/4 × 9 = 756/36
  3. Likewise, for the 2nd fraction, since 9 × 4 = 36,
    28/9 = 28 × 4/9 × 4 = 112/36
  4. Add the two like fractions:
    756/36 + 112/36 = 756 + 112/36 = 868/36
  5. 868/36 simplified gives 217/9
  6. So, 84/4 + 28/9 = 217/9
    In mixed form: 241/9

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