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Add 20/21 and 4/64

20/21 + 4/64 is 341/336.

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,
    20/21 = 20 × 64/21 × 64 = 1280/1344
  3. Likewise, for the 2nd fraction, since 64 × 21 = 1344,
    4/64 = 4 × 21/64 × 21 = 84/1344
  4. Add the two like fractions:
    1280/1344 + 84/1344 = 1280 + 84/1344 = 1364/1344
  5. 1364/1344 simplified gives 341/336
  6. So, 20/21 + 4/64 = 341/336
    In mixed form: 15/336

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