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Add 3/15 and 81/8

1st number: 3/15, 2nd number: 10 1/8

3/15 + 81/8 is 413/40.

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,
    3/15 = 3 × 8/15 × 8 = 24/120
  3. Likewise, for the 2nd fraction, since 8 × 15 = 120,
    81/8 = 81 × 15/8 × 15 = 1215/120
  4. Add the two like fractions:
    24/120 + 1215/120 = 24 + 1215/120 = 1239/120
  5. 1239/120 simplified gives 413/40
  6. So, 3/15 + 81/8 = 413/40
    In mixed form: 1013/40

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