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Add 56/63 and 15/12

1st number: 56/63, 2nd number: 1 3/12

56/63 + 15/12 is 77/36.

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,
    56/63 = 56 × 4/63 × 4 = 224/252
  3. Likewise, for the 2nd fraction, since 12 × 21 = 252,
    15/12 = 15 × 21/12 × 21 = 315/252
  4. Add the two fractions:
    224/252 + 315/252 = 224 + 315/252 = 539/252
  5. 539/252 simplified gives 77/36
  6. So, 56/63 + 15/12 = 77/36
    In mixed form: 25/36

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