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Add 12/60 and 21/64

12/60 + 21/64 is 169/320.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 64 is 960

    Next, find the equivalent fraction of both fractional numbers with denominator 960
  2. For the 1st fraction, since 60 × 16 = 960,
    12/60 = 12 × 16/60 × 16 = 192/960
  3. Likewise, for the 2nd fraction, since 64 × 15 = 960,
    21/64 = 21 × 15/64 × 15 = 315/960
  4. Add the two like fractions:
    192/960 + 315/960 = 192 + 315/960 = 507/960
  5. 507/960 simplified gives 169/320
  6. So, 12/60 + 21/64 = 169/320

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