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Add 27/15 and 27/54

1st number: 1 12/15, 2nd number: 27/54

27/15 + 27/54 is 23/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 54 is 270

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 15 × 18 = 270,
    27/15 = 27 × 18/15 × 18 = 486/270
  3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
    27/54 = 27 × 5/54 × 5 = 135/270
  4. Add the two like fractions:
    486/270 + 135/270 = 486 + 135/270 = 621/270
  5. 621/270 simplified gives 23/10
  6. So, 27/15 + 27/54 = 23/10
    In mixed form: 23/10

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