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Add 21/28 and 84/27

1st number: 21/28, 2nd number: 3 3/27

21/28 + 84/27 is 139/36.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 27 is 756

    Next, find the equivalent fraction of both fractional numbers with denominator 756
  2. For the 1st fraction, since 28 × 27 = 756,
    21/28 = 21 × 27/28 × 27 = 567/756
  3. Likewise, for the 2nd fraction, since 27 × 28 = 756,
    84/27 = 84 × 28/27 × 28 = 2352/756
  4. Add the two like fractions:
    567/756 + 2352/756 = 567 + 2352/756 = 2919/756
  5. 2919/756 simplified gives 139/36
  6. So, 21/28 + 84/27 = 139/36
    In mixed form: 331/36

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