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Add 12/20 and 6/63

12/20 + 6/63 is 73/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 63 is 1260
  2. For the 1st fraction, since 20 × 63 = 1260,
    12/20 = 12 × 63/20 × 63 = 756/1260
  3. Likewise, for the 2nd fraction, since 63 × 20 = 1260,
    6/63 = 6 × 20/63 × 20 = 120/1260
  4. Add the two fractions:
    756/1260 + 120/1260 = 756 + 120/1260 = 876/1260
  5. 876/1260 simplified gives 73/105
  6. So, 12/20 + 6/63 = 73/105

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