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Add 10/9 and 20/18

1st number: 1 1/9, 2nd number: 1 2/18

10/9 + 20/18 is 20/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 18 is 18
  2. For the 1st fraction, since 9 × 2 = 18,
    10/9 = 10 × 2/9 × 2 = 20/18
  3. Likewise, for the 2nd fraction, since 18 × 1 = 18,
    20/18 = 20 × 1/18 × 1 = 20/18
  4. Add the two fractions:
    20/18 + 20/18 = 20 + 20/18 = 40/18
  5. After reducing the fraction, the answer is 20/9
  6. In mixed form: 22/9

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