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Add 27/15 and 20/12

1st number: 1 12/15, 2nd number: 1 8/12

27/15 + 20/12 is 52/15.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 15 × 4 = 60,
    27/15 = 27 × 4/15 × 4 = 108/60
  3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
    20/12 = 20 × 5/12 × 5 = 100/60
  4. Add the two like fractions:
    108/60 + 100/60 = 108 + 100/60 = 208/60
  5. 208/60 simplified gives 52/15
  6. So, 27/15 + 20/12 = 52/15
    In mixed form: 37/15

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