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Add 4/63 and 9/12

4/63 + 9/12 is 205/252.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 12 is 252
  2. For the 1st fraction, since 63 × 4 = 252,
    4/63 = 4 × 4/63 × 4 = 16/252
  3. Likewise, for the 2nd fraction, since 12 × 21 = 252,
    9/12 = 9 × 21/12 × 21 = 189/252
  4. Add the two fractions:
    16/252 + 189/252 = 16 + 189/252 = 205/252

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