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Add 15/40 and 25/27

15/40 + 25/27 is 281/216.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 27 is 1080

    Next, find the equivalent fraction of both fractional numbers with denominator 1080
  2. For the 1st fraction, since 40 × 27 = 1080,
    15/40 = 15 × 27/40 × 27 = 405/1080
  3. Likewise, for the 2nd fraction, since 27 × 40 = 1080,
    25/27 = 25 × 40/27 × 40 = 1000/1080
  4. Add the two like fractions:
    405/1080 + 1000/1080 = 405 + 1000/1080 = 1405/1080
  5. 1405/1080 simplified gives 281/216
  6. So, 15/40 + 25/27 = 281/216
    In mixed form: 165/216

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