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Add 15/20 and 20/30

15/20 + 20/30 is 17/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 30 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 20 × 3 = 60,
    15/20 = 15 × 3/20 × 3 = 45/60
  3. Likewise, for the 2nd fraction, since 30 × 2 = 60,
    20/30 = 20 × 2/30 × 2 = 40/60
  4. Add the two like fractions:
    45/60 + 40/60 = 45 + 40/60 = 85/60
  5. 85/60 simplified gives 17/12
  6. So, 15/20 + 20/30 = 17/12
    In mixed form: 15/12

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