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Add 7/15 and 28/64

7/15 + 28/64 is 217/240.

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,
    7/15 = 7 × 64/15 × 64 = 448/960
  3. Likewise, for the 2nd fraction, since 64 × 15 = 960,
    28/64 = 28 × 15/64 × 15 = 420/960
  4. Add the two like fractions:
    448/960 + 420/960 = 448 + 420/960 = 868/960
  5. 868/960 simplified gives 217/240
  6. So, 7/15 + 28/64 = 217/240

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