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Add 12/15 and 15/64

12/15 + 15/64 is 331/320.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 64 is 960

    Next, find the equivalent fraction of both fractional numbers with denominator 960
  2. For the 1st fraction, since 15 × 64 = 960,
    12/15 = 12 × 64/15 × 64 = 768/960
  3. Likewise, for the 2nd fraction, since 64 × 15 = 960,
    15/64 = 15 × 15/64 × 15 = 225/960
  4. Add the two like fractions:
    768/960 + 225/960 = 768 + 225/960 = 993/960
  5. 993/960 simplified gives 331/320
  6. So, 12/15 + 15/64 = 331/320
    In mixed form: 111/320

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