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Add 28/40 and 18/75

28/40 + 18/75 is 47/50.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 75 is 600

    Next, find the equivalent fraction of both fractional numbers with denominator 600
  2. For the 1st fraction, since 40 × 15 = 600,
    28/40 = 28 × 15/40 × 15 = 420/600
  3. Likewise, for the 2nd fraction, since 75 × 8 = 600,
    18/75 = 18 × 8/75 × 8 = 144/600
  4. Add the two like fractions:
    420/600 + 144/600 = 420 + 144/600 = 564/600
  5. 564/600 simplified gives 47/50
  6. So, 28/40 + 18/75 = 47/50

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