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Add 14/15 and 18/28

14/15 + 18/28 is 331/210.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 28 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 15 × 28 = 420,
    14/15 = 14 × 28/15 × 28 = 392/420
  3. Likewise, for the 2nd fraction, since 28 × 15 = 420,
    18/28 = 18 × 15/28 × 15 = 270/420
  4. Add the two like fractions:
    392/420 + 270/420 = 392 + 270/420 = 662/420
  5. 662/420 simplified gives 331/210
  6. So, 14/15 + 18/28 = 331/210
    In mixed form: 1121/210

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