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Add 28/30 and 4/80

28/30 + 4/80 is 59/60.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 30 × 8 = 240,
    28/30 = 28 × 8/30 × 8 = 224/240
  3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
    4/80 = 4 × 3/80 × 3 = 12/240
  4. Add the two like fractions:
    224/240 + 12/240 = 224 + 12/240 = 236/240
  5. 236/240 simplified gives 59/60
  6. So, 28/30 + 4/80 = 59/60

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