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Add 3/15 and 9/8

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

3/15 + 9/8 is 53/40.

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,
    3/15 = 3 × 8/15 × 8 = 24/120
  3. Likewise, for the 2nd fraction, since 8 × 15 = 120,
    9/8 = 9 × 15/8 × 15 = 135/120
  4. Add the two fractions:
    24/120 + 135/120 = 24 + 135/120 = 159/120
  5. After reducing the fraction, the answer is 53/40
  6. In mixed form: 113/40

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