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Add 18/21 and 1/64

18/21 + 1/64 is 391/448.

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,
    18/21 = 18 × 64/21 × 64 = 1152/1344
  3. Likewise, for the 2nd fraction, since 64 × 21 = 1344,
    1/64 = 1 × 21/64 × 21 = 21/1344
  4. Add the two like fractions:
    1152/1344 + 21/1344 = 1152 + 21/1344 = 1173/1344
  5. 1173/1344 simplified gives 391/448
  6. So, 18/21 + 1/64 = 391/448

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