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Add 18/40 and 12/64

18/40 + 12/64 is 51/80.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 64 is 320

    Next, find the equivalent fraction of both fractional numbers with denominator 320
  2. For the 1st fraction, since 40 × 8 = 320,
    18/40 = 18 × 8/40 × 8 = 144/320
  3. Likewise, for the 2nd fraction, since 64 × 5 = 320,
    12/64 = 12 × 5/64 × 5 = 60/320
  4. Add the two like fractions:
    144/320 + 60/320 = 144 + 60/320 = 204/320
  5. 204/320 simplified gives 51/80
  6. So, 18/40 + 12/64 = 51/80

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