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Add 18/20 and 9/75

18/20 + 9/75 is 51/50.

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,
    9/75 = 9 × 4/75 × 4 = 36/300
  4. Add the two like fractions:
    270/300 + 36/300 = 270 + 36/300 = 306/300
  5. 306/300 simplified gives 51/50
  6. So, 18/20 + 9/75 = 51/50
    In mixed form: 11/50

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