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Add 27/28 and 5/15

27/28 + 5/15 is 109/84.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 15 is 420
  2. For the 1st fraction, since 28 × 15 = 420,
    27/28 = 27 × 15/28 × 15 = 405/420
  3. Likewise, for the 2nd fraction, since 15 × 28 = 420,
    5/15 = 5 × 28/15 × 28 = 140/420
  4. Add the two fractions:
    405/420 + 140/420 = 405 + 140/420 = 545/420
  5. After reducing the fraction, the answer is 109/84
  6. In mixed form: 125/84

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