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Add 15/21 and 2/27

15/21 + 2/27 is 149/189.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 27 is 189

    Next, find the equivalent fraction of both fractional numbers with denominator 189
  2. For the 1st fraction, since 21 × 9 = 189,
    15/21 = 15 × 9/21 × 9 = 135/189
  3. Likewise, for the 2nd fraction, since 27 × 7 = 189,
    2/27 = 2 × 7/27 × 7 = 14/189
  4. Add the two like fractions:
    135/189 + 14/189 = 135 + 14/189 = 149/189
  5. So, 15/21 + 2/27 = 149/189

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