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Add 15/25 and 20/64

15/25 + 20/64 is 73/80.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 64 is 1600

    Next, find the equivalent fraction of both fractional numbers with denominator 1600
  2. For the 1st fraction, since 25 × 64 = 1600,
    15/25 = 15 × 64/25 × 64 = 960/1600
  3. Likewise, for the 2nd fraction, since 64 × 25 = 1600,
    20/64 = 20 × 25/64 × 25 = 500/1600
  4. Add the two like fractions:
    960/1600 + 500/1600 = 960 + 500/1600 = 1460/1600
  5. 1460/1600 simplified gives 73/80
  6. So, 15/25 + 20/64 = 73/80

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