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Add 15/28 and 8/15

15/28 + 8/15 is 449/420.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 28 × 15 = 420,
    15/28 = 15 × 15/28 × 15 = 225/420
  3. Likewise, for the 2nd fraction, since 15 × 28 = 420,
    8/15 = 8 × 28/15 × 28 = 224/420
  4. Add the two like fractions:
    225/420 + 224/420 = 225 + 224/420 = 449/420
  5. So, 15/28 + 8/15 = 449/420
    In mixed form: 129/420

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