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Add 3/15 and 2/7

3/15 + 2/7 is 17/35.

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,
    3/15 = 3 × 7/15 × 7 = 21/105
  3. Likewise, for the 2nd fraction, since 7 × 15 = 105,
    2/7 = 2 × 15/7 × 15 = 30/105
  4. Add the two fractions:
    21/105 + 30/105 = 21 + 30/105 = 51/105
  5. After reducing the fraction, the answer is 17/35

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