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Add 15/12 and 3/20

1st number: 1 3/12, 2nd number: 3/20

15/12 + 3/20 is 7/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 20 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 12 × 5 = 60,
    15/12 = 15 × 5/12 × 5 = 75/60
  3. Likewise, for the 2nd fraction, since 20 × 3 = 60,
    3/20 = 3 × 3/20 × 3 = 9/60
  4. Add the two like fractions:
    75/60 + 9/60 = 75 + 9/60 = 84/60
  5. 84/60 simplified gives 7/5
  6. So, 15/12 + 3/20 = 7/5
    In mixed form: 12/5

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