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Add 20/30 and 3/12

20/30 + 3/12 is 11/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 12 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 30 × 2 = 60,
    20/30 = 20 × 2/30 × 2 = 40/60
  3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
    3/12 = 3 × 5/12 × 5 = 15/60
  4. Add the two like fractions:
    40/60 + 15/60 = 40 + 15/60 = 55/60
  5. 55/60 simplified gives 11/12
  6. So, 20/30 + 3/12 = 11/12

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