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Add 28/16 and 15/72

1st number: 1 12/16, 2nd number: 15/72

28/16 + 15/72 is 47/24.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 72 is 144

    Next, find the equivalent fraction of both fractional numbers with denominator 144
  2. For the 1st fraction, since 16 × 9 = 144,
    28/16 = 28 × 9/16 × 9 = 252/144
  3. Likewise, for the 2nd fraction, since 72 × 2 = 144,
    15/72 = 15 × 2/72 × 2 = 30/144
  4. Add the two like fractions:
    252/144 + 30/144 = 252 + 30/144 = 282/144
  5. 282/144 simplified gives 47/24
  6. So, 28/16 + 15/72 = 47/24
    In mixed form: 123/24

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