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Add 28/35 and 27/64

28/35 + 27/64 is 391/320.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 64 is 2240

    Next, find the equivalent fraction of both fractional numbers with denominator 2240
  2. For the 1st fraction, since 35 × 64 = 2240,
    28/35 = 28 × 64/35 × 64 = 1792/2240
  3. Likewise, for the 2nd fraction, since 64 × 35 = 2240,
    27/64 = 27 × 35/64 × 35 = 945/2240
  4. Add the two like fractions:
    1792/2240 + 945/2240 = 1792 + 945/2240 = 2737/2240
  5. 2737/2240 simplified gives 391/320
  6. So, 28/35 + 27/64 = 391/320
    In mixed form: 171/320

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