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Add 28/21 and 30/24

1st number: 1 7/21, 2nd number: 1 6/24

28/21 + 30/24 is 31/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 24 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 21 × 8 = 168,
    28/21 = 28 × 8/21 × 8 = 224/168
  3. Likewise, for the 2nd fraction, since 24 × 7 = 168,
    30/24 = 30 × 7/24 × 7 = 210/168
  4. Add the two like fractions:
    224/168 + 210/168 = 224 + 210/168 = 434/168
  5. 434/168 simplified gives 31/12
  6. So, 28/21 + 30/24 = 31/12
    In mixed form: 27/12

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