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Add 18/20 and 40/75

18/20 + 40/75 is 43/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 75 is 300

    Next, find the equivalent fraction of both fractional numbers with denominator 300
  2. For the 1st fraction, since 20 × 15 = 300,
    18/20 = 18 × 15/20 × 15 = 270/300
  3. Likewise, for the 2nd fraction, since 75 × 4 = 300,
    40/75 = 40 × 4/75 × 4 = 160/300
  4. Add the two like fractions:
    270/300 + 160/300 = 270 + 160/300 = 430/300
  5. 430/300 simplified gives 43/30
  6. So, 18/20 + 40/75 = 43/30
    In mixed form: 113/30

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