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Add 3/8 and 81/15

1st number: 3/8, 2nd number: 5 6/15

3/8 + 81/15 is 231/40.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 8 × 15 = 120,
    3/8 = 3 × 15/8 × 15 = 45/120
  3. Likewise, for the 2nd fraction, since 15 × 8 = 120,
    81/15 = 81 × 8/15 × 8 = 648/120
  4. Add the two like fractions:
    45/120 + 648/120 = 45 + 648/120 = 693/120
  5. 693/120 simplified gives 231/40
  6. So, 3/8 + 81/15 = 231/40
    In mixed form: 531/40

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