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Add 15/5 and 28/56

1st number: 3 0/5, 2nd number: 28/56

15/5 + 28/56 is 7/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 56 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 5 × 56 = 280,
    15/5 = 15 × 56/5 × 56 = 840/280
  3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
    28/56 = 28 × 5/56 × 5 = 140/280
  4. Add the two like fractions:
    840/280 + 140/280 = 840 + 140/280 = 980/280
  5. 980/280 simplified gives 7/2
  6. So, 15/5 + 28/56 = 7/2
    In mixed form: 31/2

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