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Add 15/54 and 7/18

15/54 + 7/18 is 2/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 18 is 54

    Next, find the equivalent fraction of both fractional numbers with denominator 54
  2. For the 1st fraction, since 54 × 1 = 54,
    15/54 = 15 × 1/54 × 1 = 15/54
  3. Likewise, for the 2nd fraction, since 18 × 3 = 54,
    7/18 = 7 × 3/18 × 3 = 21/54
  4. Add the two like fractions:
    15/54 + 21/54 = 15 + 21/54 = 36/54
  5. 36/54 simplified gives 2/3
  6. So, 15/54 + 7/18 = 2/3

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