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Add 54/18 and 27/30

1st number: 3 0/18, 2nd number: 27/30

54/18 + 27/30 is 39/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 30 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 18 × 5 = 90,
    54/18 = 54 × 5/18 × 5 = 270/90
  3. Likewise, for the 2nd fraction, since 30 × 3 = 90,
    27/30 = 27 × 3/30 × 3 = 81/90
  4. Add the two like fractions:
    270/90 + 81/90 = 270 + 81/90 = 351/90
  5. 351/90 simplified gives 39/10
  6. So, 54/18 + 27/30 = 39/10
    In mixed form: 39/10

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