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Add 7/12 and 20/15

1st number: 7/12, 2nd number: 1 5/15

7/12 + 20/15 is 23/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 15 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 12 × 5 = 60,
    7/12 = 7 × 5/12 × 5 = 35/60
  3. Likewise, for the 2nd fraction, since 15 × 4 = 60,
    20/15 = 20 × 4/15 × 4 = 80/60
  4. Add the two like fractions:
    35/60 + 80/60 = 35 + 80/60 = 115/60
  5. 115/60 simplified gives 23/12
  6. So, 7/12 + 20/15 = 23/12
    In mixed form: 111/12

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