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Add 15/27 and 3/7

15/27 + 3/7 is 62/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 7 is 189

    Next, find the equivalent fraction of both fractional numbers with denominator 189
  2. For the 1st fraction, since 27 × 7 = 189,
    15/27 = 15 × 7/27 × 7 = 105/189
  3. Likewise, for the 2nd fraction, since 7 × 27 = 189,
    3/7 = 3 × 27/7 × 27 = 81/189
  4. Add the two like fractions:
    105/189 + 81/189 = 105 + 81/189 = 186/189
  5. 186/189 simplified gives 62/63
  6. So, 15/27 + 3/7 = 62/63

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