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Add 12/63 and 15/12

1st number: 12/63, 2nd number: 1 3/12

12/63 + 15/12 is 121/84.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 12 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 63 × 4 = 252,
    12/63 = 12 × 4/63 × 4 = 48/252
  3. Likewise, for the 2nd fraction, since 12 × 21 = 252,
    15/12 = 15 × 21/12 × 21 = 315/252
  4. Add the two like fractions:
    48/252 + 315/252 = 48 + 315/252 = 363/252
  5. 363/252 simplified gives 121/84
  6. So, 12/63 + 15/12 = 121/84
    In mixed form: 137/84

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