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Add 45/64 and 40/84

45/64 + 40/84 is 1585/1344.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 64 and 84 is 1344

    Next, find the equivalent fraction of both fractional numbers with denominator 1344
  2. For the 1st fraction, since 64 × 21 = 1344,
    45/64 = 45 × 21/64 × 21 = 945/1344
  3. Likewise, for the 2nd fraction, since 84 × 16 = 1344,
    40/84 = 40 × 16/84 × 16 = 640/1344
  4. Add the two like fractions:
    945/1344 + 640/1344 = 945 + 640/1344 = 1585/1344
  5. So, 45/64 + 40/84 = 1585/1344
    In mixed form: 1241/1344

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