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Add 12/40 and 12/54

12/40 + 12/54 is 47/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 54 is 1080

    Next, find the equivalent fraction of both fractional numbers with denominator 1080
  2. For the 1st fraction, since 40 × 27 = 1080,
    12/40 = 12 × 27/40 × 27 = 324/1080
  3. Likewise, for the 2nd fraction, since 54 × 20 = 1080,
    12/54 = 12 × 20/54 × 20 = 240/1080
  4. Add the two like fractions:
    324/1080 + 240/1080 = 324 + 240/1080 = 564/1080
  5. 564/1080 simplified gives 47/90
  6. So, 12/40 + 12/54 = 47/90

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