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Add 15/45 and 28/54

15/45 + 28/54 is 23/27.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 54 is 270
  2. For the 1st fraction, since 45 × 6 = 270,
    15/45 = 15 × 6/45 × 6 = 90/270
  3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
    28/54 = 28 × 5/54 × 5 = 140/270
  4. Add the two fractions:
    90/270 + 140/270 = 90 + 140/270 = 230/270
  5. 230/270 simplified gives 23/27
  6. So, 15/45 + 28/54 = 23/27

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