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Add 3/56 and 72/15

1st number: 3/56, 2nd number: 4 12/15

3/56 + 72/15 is 1359/280.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 15 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 56 × 15 = 840,
    3/56 = 3 × 15/56 × 15 = 45/840
  3. Likewise, for the 2nd fraction, since 15 × 56 = 840,
    72/15 = 72 × 56/15 × 56 = 4032/840
  4. Add the two like fractions:
    45/840 + 4032/840 = 45 + 4032/840 = 4077/840
  5. 4077/840 simplified gives 1359/280
  6. So, 3/56 + 72/15 = 1359/280
    In mixed form: 4239/280

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