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Add 9/4 and 54/84

1st number: 2 1/4, 2nd number: 54/84

9/4 + 54/84 is 81/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 84 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 4 × 21 = 84,
    9/4 = 9 × 21/4 × 21 = 189/84
  3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
    54/84 = 54 × 1/84 × 1 = 54/84
  4. Add the two like fractions:
    189/84 + 54/84 = 189 + 54/84 = 243/84
  5. 243/84 simplified gives 81/28
  6. So, 9/4 + 54/84 = 81/28
    In mixed form: 225/28

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