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Add 3/18 and 1/15

3/18 + 1/15 is 7/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 15 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 18 × 5 = 90,
    3/18 = 3 × 5/18 × 5 = 15/90
  3. Likewise, for the 2nd fraction, since 15 × 6 = 90,
    1/15 = 1 × 6/15 × 6 = 6/90
  4. Add the two like fractions:
    15/90 + 6/90 = 15 + 6/90 = 21/90
  5. 21/90 simplified gives 7/30
  6. So, 3/18 + 1/15 = 7/30

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