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Add 28/80 and 18/75

28/80 + 18/75 is 59/100.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 75 is 1200

    Next, find the equivalent fraction of both fractional numbers with denominator 1200
  2. For the 1st fraction, since 80 × 15 = 1200,
    28/80 = 28 × 15/80 × 15 = 420/1200
  3. Likewise, for the 2nd fraction, since 75 × 16 = 1200,
    18/75 = 18 × 16/75 × 16 = 288/1200
  4. Add the two like fractions:
    420/1200 + 288/1200 = 420 + 288/1200 = 708/1200
  5. 708/1200 simplified gives 59/100
  6. So, 28/80 + 18/75 = 59/100

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