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Add 54/18 and 12/90

1st number: 3 0/18, 2nd number: 12/90

54/18 + 12/90 is 47/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 90 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 90 × 1 = 90,
    12/90 = 12 × 1/90 × 1 = 12/90
  4. Add the two like fractions:
    270/90 + 12/90 = 270 + 12/90 = 282/90
  5. 282/90 simplified gives 47/15
  6. So, 54/18 + 12/90 = 47/15
    In mixed form: 32/15

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