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Add 7/27 and 1/21

7/27 + 1/21 is 58/189.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 189
  2. For the 1st fraction, since 27 × 7 = 189,
    7/27 = 7 × 7/27 × 7 = 49/189
  3. Likewise, for the 2nd fraction, since 21 × 9 = 189,
    1/21 = 1 × 9/21 × 9 = 9/189
  4. Add the two like fractions:
    49/189 + 9/189 = 49 + 9/189 = 58/189
  5. So, 7/27 + 1/21 = 58/189

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