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Add 12/15 and 8/54

12/15 + 8/54 is 128/135.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 54 is 270
  2. For the 1st fraction, since 15 × 18 = 270,
    12/15 = 12 × 18/15 × 18 = 216/270
  3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
    8/54 = 8 × 5/54 × 5 = 40/270
  4. Add the two fractions:
    216/270 + 40/270 = 216 + 40/270 = 256/270
  5. After reducing the fraction, the answer is 128/135

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