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Add 3/15 and 5/18

3/15 + 5/18 is 43/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 18 is 90
  2. For the 1st fraction, since 15 × 6 = 90,
    3/15 = 3 × 6/15 × 6 = 18/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    5/18 = 5 × 5/18 × 5 = 25/90
  4. Add the two fractions:
    18/90 + 25/90 = 18 + 25/90 = 43/90

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