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Add 15/75 and 4/64

15/75 + 4/64 is 21/80.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 64 is 4800

    Next, find the equivalent fraction of both fractional numbers with denominator 4800
  2. For the 1st fraction, since 75 × 64 = 4800,
    15/75 = 15 × 64/75 × 64 = 960/4800
  3. Likewise, for the 2nd fraction, since 64 × 75 = 4800,
    4/64 = 4 × 75/64 × 75 = 300/4800
  4. Add the two like fractions:
    960/4800 + 300/4800 = 960 + 300/4800 = 1260/4800
  5. 1260/4800 simplified gives 21/80
  6. So, 15/75 + 4/64 = 21/80

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