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Add 1/15 and 1/18

1/15 + 1/18 is 11/90.

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,
    1/15 = 1 × 6/15 × 6 = 6/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    1/18 = 1 × 5/18 × 5 = 5/90
  4. Add the two fractions:
    6/90 + 5/90 = 6 + 5/90 = 11/90

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