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Add 20/9 and 28/84

1st number: 2 2/9, 2nd number: 28/84

20/9 + 28/84 is 23/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 84 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 9 × 28 = 252,
    20/9 = 20 × 28/9 × 28 = 560/252
  3. Likewise, for the 2nd fraction, since 84 × 3 = 252,
    28/84 = 28 × 3/84 × 3 = 84/252
  4. Add the two like fractions:
    560/252 + 84/252 = 560 + 84/252 = 644/252
  5. 644/252 simplified gives 23/9
  6. So, 20/9 + 28/84 = 23/9
    In mixed form: 25/9

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