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Add 20/45 and 12/9

1st number: 20/45, 2nd number: 1 3/9

20/45 + 12/9 is 16/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 9 is 45
  2. For the 1st fraction, since 45 × 1 = 45,
    20/45 = 20 × 1/45 × 1 = 20/45
  3. Likewise, for the 2nd fraction, since 9 × 5 = 45,
    12/9 = 12 × 5/9 × 5 = 60/45
  4. Add the two fractions:
    20/45 + 60/45 = 20 + 60/45 = 80/45
  5. After reducing the fraction, the answer is 16/9
  6. In mixed form: 17/9

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