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Add 3/12 and 18/15

1st number: 3/12, 2nd number: 1 3/15

3/12 + 18/15 is 29/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 15 is 60
  2. For the 1st fraction, since 12 × 5 = 60,
    3/12 = 3 × 5/12 × 5 = 15/60
  3. Likewise, for the 2nd fraction, since 15 × 4 = 60,
    18/15 = 18 × 4/15 × 4 = 72/60
  4. Add the two fractions:
    15/60 + 72/60 = 15 + 72/60 = 87/60
  5. 87/60 simplified gives 29/20
  6. So, 3/12 + 18/15 = 29/20
    In mixed form: 19/20

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