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Add 9/18 and 54/84

9/18 + 54/84 is 8/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 84 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 18 × 14 = 252,
    9/18 = 9 × 14/18 × 14 = 126/252
  3. Likewise, for the 2nd fraction, since 84 × 3 = 252,
    54/84 = 54 × 3/84 × 3 = 162/252
  4. Add the two like fractions:
    126/252 + 162/252 = 126 + 162/252 = 288/252
  5. 288/252 simplified gives 8/7
  6. So, 9/18 + 54/84 = 8/7
    In mixed form: 11/7

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