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Add 5/21 and 16/27

5/21 + 16/27 is 157/189.

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,
    5/21 = 5 × 9/21 × 9 = 45/189
  3. Likewise, for the 2nd fraction, since 27 × 7 = 189,
    16/27 = 16 × 7/27 × 7 = 112/189
  4. Add the two like fractions:
    45/189 + 112/189 = 45 + 112/189 = 157/189
  5. So, 5/21 + 16/27 = 157/189

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