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Add 28/80 and 7/30

28/80 + 7/30 is 7/12.

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,
    7/30 = 7 × 8/30 × 8 = 56/240
  4. Add the two like fractions:
    84/240 + 56/240 = 84 + 56/240 = 140/240
  5. 140/240 simplified gives 7/12
  6. So, 28/80 + 7/30 = 7/12

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