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Add 18/90 and 45/54

18/90 + 45/54 is 31/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 54 is 270

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 90 × 3 = 270,
    18/90 = 18 × 3/90 × 3 = 54/270
  3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
    45/54 = 45 × 5/54 × 5 = 225/270
  4. Add the two like fractions:
    54/270 + 225/270 = 54 + 225/270 = 279/270
  5. 279/270 simplified gives 31/30
  6. So, 18/90 + 45/54 = 31/30
    In mixed form: 11/30

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