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Add 72/15 and 28/8

1st number: 4 12/15, 2nd number: 3 4/8

72/15 + 28/8 is 83/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 8 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 15 × 8 = 120,
    72/15 = 72 × 8/15 × 8 = 576/120
  3. Likewise, for the 2nd fraction, since 8 × 15 = 120,
    28/8 = 28 × 15/8 × 15 = 420/120
  4. Add the two like fractions:
    576/120 + 420/120 = 576 + 420/120 = 996/120
  5. 996/120 simplified gives 83/10
  6. So, 72/15 + 28/8 = 83/10
    In mixed form: 83/10

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