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Add 15/54 and 9/16

15/54 + 9/16 is 121/144.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 16 is 432

    Next, find the equivalent fraction of both fractional numbers with denominator 432
  2. For the 1st fraction, since 54 × 8 = 432,
    15/54 = 15 × 8/54 × 8 = 120/432
  3. Likewise, for the 2nd fraction, since 16 × 27 = 432,
    9/16 = 9 × 27/16 × 27 = 243/432
  4. Add the two like fractions:
    120/432 + 243/432 = 120 + 243/432 = 363/432
  5. 363/432 simplified gives 121/144
  6. So, 15/54 + 9/16 = 121/144

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