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Add 15/27 and 35/40

15/27 + 35/40 is 103/72.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 1080
  2. For the 1st fraction, since 27 × 40 = 1080,
    15/27 = 15 × 40/27 × 40 = 600/1080
  3. Likewise, for the 2nd fraction, since 40 × 27 = 1080,
    35/40 = 35 × 27/40 × 27 = 945/1080
  4. Add the two like fractions:
    600/1080 + 945/1080 = 600 + 945/1080 = 1545/1080
  5. 1545/1080 simplified gives 103/72
  6. So, 15/27 + 35/40 = 103/72
    In mixed form: 131/72

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