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Add 15/18 and 12/8

1st number: 15/18, 2nd number: 1 4/8

15/18 + 12/8 is 7/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 8 is 72
  2. For the 1st fraction, since 18 × 4 = 72,
    15/18 = 15 × 4/18 × 4 = 60/72
  3. Likewise, for the 2nd fraction, since 8 × 9 = 72,
    12/8 = 12 × 9/8 × 9 = 108/72
  4. Add the two fractions:
    60/72 + 108/72 = 60 + 108/72 = 168/72
  5. After reducing the fraction, the answer is 7/3
  6. In mixed form: 21/3

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