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Add 28/80 and 27/30

28/80 + 27/30 is 5/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 30 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 80 × 3 = 240,
    28/80 = 28 × 3/80 × 3 = 84/240
  3. Likewise, for the 2nd fraction, since 30 × 8 = 240,
    27/30 = 27 × 8/30 × 8 = 216/240
  4. Add the two like fractions:
    84/240 + 216/240 = 84 + 216/240 = 300/240
  5. 300/240 simplified gives 5/4
  6. So, 28/80 + 27/30 = 5/4
    In mixed form: 11/4

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