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Add 20/30 and 12/9

1st number: 20/30, 2nd number: 1 3/9

20/30 + 12/9 is 2/1.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 9 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 30 × 3 = 90,
    20/30 = 20 × 3/30 × 3 = 60/90
  3. Likewise, for the 2nd fraction, since 9 × 10 = 90,
    12/9 = 12 × 10/9 × 10 = 120/90
  4. Add the two like fractions:
    60/90 + 120/90 = 60 + 120/90 = 180/90
  5. 180/90 simplified gives 2/1
  6. So, 20/30 + 12/9 = 2/1

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