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Add 21/9 and 54/28

1st number: 2 3/9, 2nd number: 1 26/28

21/9 + 54/28 is 179/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 28 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 9 × 28 = 252,
    21/9 = 21 × 28/9 × 28 = 588/252
  3. Likewise, for the 2nd fraction, since 28 × 9 = 252,
    54/28 = 54 × 9/28 × 9 = 486/252
  4. Add the two like fractions:
    588/252 + 486/252 = 588 + 486/252 = 1074/252
  5. 1074/252 simplified gives 179/42
  6. So, 21/9 + 54/28 = 179/42
    In mixed form: 411/42

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