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Add 8/28 and 18/27

8/28 + 18/27 is 20/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 27 is 756

    Next, find the equivalent fraction of both fractional numbers with denominator 756
  2. For the 1st fraction, since 28 × 27 = 756,
    8/28 = 8 × 27/28 × 27 = 216/756
  3. Likewise, for the 2nd fraction, since 27 × 28 = 756,
    18/27 = 18 × 28/27 × 28 = 504/756
  4. Add the two like fractions:
    216/756 + 504/756 = 216 + 504/756 = 720/756
  5. 720/756 simplified gives 20/21
  6. So, 8/28 + 18/27 = 20/21

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