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Add 12/28 and 27/30

12/28 + 27/30 is 93/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 30 is 420
  2. For the 1st fraction, since 28 × 15 = 420,
    12/28 = 12 × 15/28 × 15 = 180/420
  3. Likewise, for the 2nd fraction, since 30 × 14 = 420,
    27/30 = 27 × 14/30 × 14 = 378/420
  4. Add the two fractions:
    180/420 + 378/420 = 180 + 378/420 = 558/420
  5. After reducing the fraction, the answer is 93/70
  6. In mixed form: 123/70

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