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Add 3/21 and 12/64

3/21 + 12/64 is 37/112.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 64 is 1344

    Next, find the equivalent fraction of both fractional numbers with denominator 1344
  2. For the 1st fraction, since 21 × 64 = 1344,
    3/21 = 3 × 64/21 × 64 = 192/1344
  3. Likewise, for the 2nd fraction, since 64 × 21 = 1344,
    12/64 = 12 × 21/64 × 21 = 252/1344
  4. Add the two like fractions:
    192/1344 + 252/1344 = 192 + 252/1344 = 444/1344
  5. 444/1344 simplified gives 37/112
  6. So, 3/21 + 12/64 = 37/112

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