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Add 4/15 and 12/7

1st number: 4/15, 2nd number: 1 5/7

4/15 + 12/7 is 208/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 7 is 105
  2. For the 1st fraction, since 15 × 7 = 105,
    4/15 = 4 × 7/15 × 7 = 28/105
  3. Likewise, for the 2nd fraction, since 7 × 15 = 105,
    12/7 = 12 × 15/7 × 15 = 180/105
  4. Add the two fractions:
    28/105 + 180/105 = 28 + 180/105 = 208/105
  5. In mixed form: 1103/105

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