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Add 42/63 and 16/27

42/63 + 16/27 is 34/27.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 27 is 189

    Next, find the equivalent fraction of both fractional numbers with denominator 189
  2. For the 1st fraction, since 63 × 3 = 189,
    42/63 = 42 × 3/63 × 3 = 126/189
  3. Likewise, for the 2nd fraction, since 27 × 7 = 189,
    16/27 = 16 × 7/27 × 7 = 112/189
  4. Add the two like fractions:
    126/189 + 112/189 = 126 + 112/189 = 238/189
  5. 238/189 simplified gives 34/27
  6. So, 42/63 + 16/27 = 34/27
    In mixed form: 17/27

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