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Add 1/15 and 21/8

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

1/15 + 21/8 is 323/120.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 8 is 120
  2. For the 1st fraction, since 15 × 8 = 120,
    1/15 = 1 × 8/15 × 8 = 8/120
  3. Likewise, for the 2nd fraction, since 8 × 15 = 120,
    21/8 = 21 × 15/8 × 15 = 315/120
  4. Add the two fractions:
    8/120 + 315/120 = 8 + 315/120 = 323/120
  5. In mixed form: 283/120

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