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Add 2/12 and 15/63

2/12 + 15/63 is 17/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 63 is 252
  2. For the 1st fraction, since 12 × 21 = 252,
    2/12 = 2 × 21/12 × 21 = 42/252
  3. Likewise, for the 2nd fraction, since 63 × 4 = 252,
    15/63 = 15 × 4/63 × 4 = 60/252
  4. Add the two fractions:
    42/252 + 60/252 = 42 + 60/252 = 102/252
  5. After reducing the fraction, the answer is 17/42

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