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Add 18/27 and 28/63

18/27 + 28/63 is 10/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 63 is 189

    Next, find the equivalent fraction of both fractional numbers with denominator 189
  2. For the 1st fraction, since 27 × 7 = 189,
    18/27 = 18 × 7/27 × 7 = 126/189
  3. Likewise, for the 2nd fraction, since 63 × 3 = 189,
    28/63 = 28 × 3/63 × 3 = 84/189
  4. Add the two like fractions:
    126/189 + 84/189 = 126 + 84/189 = 210/189
  5. 210/189 simplified gives 10/9
  6. So, 18/27 + 28/63 = 10/9
    In mixed form: 11/9

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