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Add 15/18 and 3/9

15/18 + 3/9 is 7/6.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 9 is 18

    Next, find the equivalent fraction of both fractional numbers with denominator 18
  2. For the 1st fraction, since 18 × 1 = 18,
    15/18 = 15 × 1/18 × 1 = 15/18
  3. Likewise, for the 2nd fraction, since 9 × 2 = 18,
    3/9 = 3 × 2/9 × 2 = 6/18
  4. Add the two like fractions:
    15/18 + 6/18 = 15 + 6/18 = 21/18
  5. 21/18 simplified gives 7/6
  6. So, 15/18 + 3/9 = 7/6
    In mixed form: 11/6

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