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Add 9/12 and 20/18

1st number: 9/12, 2nd number: 1 2/18

9/12 + 20/18 is 67/36.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 18 is 36
  2. For the 1st fraction, since 12 × 3 = 36,
    9/12 = 9 × 3/12 × 3 = 27/36
  3. Likewise, for the 2nd fraction, since 18 × 2 = 36,
    20/18 = 20 × 2/18 × 2 = 40/36
  4. Add the two fractions:
    27/36 + 40/36 = 27 + 40/36 = 67/36
  5. In mixed form: 131/36

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