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Add 12/9 and 1/20

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

12/9 + 1/20 is 83/60.

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,
    12/9 = 12 × 20/9 × 20 = 240/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    1/20 = 1 × 9/20 × 9 = 9/180
  4. Add the two like fractions:
    240/180 + 9/180 = 240 + 9/180 = 249/180
  5. 249/180 simplified gives 83/60
  6. So, 12/9 + 1/20 = 83/60
    In mixed form: 123/60

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