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Add 27/28 and 24/40

27/28 + 24/40 is 219/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 40 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 28 × 10 = 280,
    27/28 = 27 × 10/28 × 10 = 270/280
  3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
    24/40 = 24 × 7/40 × 7 = 168/280
  4. Add the two like fractions:
    270/280 + 168/280 = 270 + 168/280 = 438/280
  5. 438/280 simplified gives 219/140
  6. So, 27/28 + 24/40 = 219/140
    In mixed form: 179/140

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