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Add 3/15 and 9/16

3/15 + 9/16 is 61/80.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 16 is 240
  2. For the 1st fraction, since 15 × 16 = 240,
    3/15 = 3 × 16/15 × 16 = 48/240
  3. Likewise, for the 2nd fraction, since 16 × 15 = 240,
    9/16 = 9 × 15/16 × 15 = 135/240
  4. Add the two fractions:
    48/240 + 135/240 = 48 + 135/240 = 183/240
  5. After reducing the fraction, the answer is 61/80

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