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Add 20/12 and 5/18

1st number: 1 8/12, 2nd number: 5/18

20/12 + 5/18 is 35/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 18 is 36

    Next, find the equivalent fraction of both fractional numbers with denominator 36
  2. For the 1st fraction, since 12 × 3 = 36,
    20/12 = 20 × 3/12 × 3 = 60/36
  3. Likewise, for the 2nd fraction, since 18 × 2 = 36,
    5/18 = 5 × 2/18 × 2 = 10/36
  4. Add the two like fractions:
    60/36 + 10/36 = 60 + 10/36 = 70/36
  5. 70/36 simplified gives 35/18
  6. So, 20/12 + 5/18 = 35/18
    In mixed form: 117/18

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