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Add 27/28 and 12/18

27/28 + 12/18 is 137/84.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 18 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 28 × 9 = 252,
    27/28 = 27 × 9/28 × 9 = 243/252
  3. Likewise, for the 2nd fraction, since 18 × 14 = 252,
    12/18 = 12 × 14/18 × 14 = 168/252
  4. Add the two like fractions:
    243/252 + 168/252 = 243 + 168/252 = 411/252
  5. 411/252 simplified gives 137/84
  6. So, 27/28 + 12/18 = 137/84
    In mixed form: 153/84

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