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Add 54/15 and 18/30

1st number: 3 9/15, 2nd number: 18/30

54/15 + 18/30 is 21/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 30 is 30
  2. For the 1st fraction, since 15 × 2 = 30,
    54/15 = 54 × 2/15 × 2 = 108/30
  3. Likewise, for the 2nd fraction, since 30 × 1 = 30,
    18/30 = 18 × 1/30 × 1 = 18/30
  4. Add the two fractions:
    108/30 + 18/30 = 108 + 18/30 = 126/30
  5. After reducing the fraction, the answer is 21/5
  6. In mixed form: 41/5

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