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Add 15/75 and 27/40

15/75 + 27/40 is 7/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 40 is 600

    Next, find the equivalent fraction of both fractional numbers with denominator 600
  2. For the 1st fraction, since 75 × 8 = 600,
    15/75 = 15 × 8/75 × 8 = 120/600
  3. Likewise, for the 2nd fraction, since 40 × 15 = 600,
    27/40 = 27 × 15/40 × 15 = 405/600
  4. Add the two like fractions:
    120/600 + 405/600 = 120 + 405/600 = 525/600
  5. 525/600 simplified gives 7/8
  6. So, 15/75 + 27/40 = 7/8

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