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Add 45/84 and 54/56

45/84 + 54/56 is 3/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 56 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 84 × 2 = 168,
    45/84 = 45 × 2/84 × 2 = 90/168
  3. Likewise, for the 2nd fraction, since 56 × 3 = 168,
    54/56 = 54 × 3/56 × 3 = 162/168
  4. Add the two like fractions:
    90/168 + 162/168 = 90 + 162/168 = 252/168
  5. 252/168 simplified gives 3/2
  6. So, 45/84 + 54/56 = 3/2
    In mixed form: 11/2

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