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Add 18/27 and 28/15

1st number: 18/27, 2nd number: 1 13/15

18/27 + 28/15 is 38/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 15 is 135

    Next, find the equivalent fraction of both fractional numbers with denominator 135
  2. For the 1st fraction, since 27 × 5 = 135,
    18/27 = 18 × 5/27 × 5 = 90/135
  3. Likewise, for the 2nd fraction, since 15 × 9 = 135,
    28/15 = 28 × 9/15 × 9 = 252/135
  4. Add the two like fractions:
    90/135 + 252/135 = 90 + 252/135 = 342/135
  5. 342/135 simplified gives 38/15
  6. So, 18/27 + 28/15 = 38/15
    In mixed form: 28/15

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