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Add 10/27 and 21/63

10/27 + 21/63 is 19/27.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 63 is 189
  2. For the 1st fraction, since 27 × 7 = 189,
    10/27 = 10 × 7/27 × 7 = 70/189
  3. Likewise, for the 2nd fraction, since 63 × 3 = 189,
    21/63 = 21 × 3/63 × 3 = 63/189
  4. Add the two fractions:
    70/189 + 63/189 = 70 + 63/189 = 133/189
  5. After reducing the fraction, the answer is 19/27

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