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Add 28/15 and 14/84

1st number: 1 13/15, 2nd number: 14/84

28/15 + 14/84 is 61/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 84 is 420
  2. For the 1st fraction, since 15 × 28 = 420,
    28/15 = 28 × 28/15 × 28 = 784/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    14/84 = 14 × 5/84 × 5 = 70/420
  4. Add the two fractions:
    784/420 + 70/420 = 784 + 70/420 = 854/420
  5. 854/420 simplified gives 61/30
  6. So, 28/15 + 14/84 = 61/30
    In mixed form: 21/30

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