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Add 12/20 and 20/9

1st number: 12/20, 2nd number: 2 2/9

12/20 + 20/9 is 127/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 9 is 180
  2. For the 1st fraction, since 20 × 9 = 180,
    12/20 = 12 × 9/20 × 9 = 108/180
  3. Likewise, for the 2nd fraction, since 9 × 20 = 180,
    20/9 = 20 × 20/9 × 20 = 400/180
  4. Add the two fractions:
    108/180 + 400/180 = 108 + 400/180 = 508/180
  5. After reducing the fraction, the answer is 127/45
  6. In mixed form: 237/45

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