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Add 30/9 and 45/20

1st number: 3 3/9, 2nd number: 2 5/20

30/9 + 45/20 is 67/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 20 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 9 × 20 = 180,
    30/9 = 30 × 20/9 × 20 = 600/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    45/20 = 45 × 9/20 × 9 = 405/180
  4. Add the two like fractions:
    600/180 + 405/180 = 600 + 405/180 = 1005/180
  5. 1005/180 simplified gives 67/12
  6. So, 30/9 + 45/20 = 67/12
    In mixed form: 57/12

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