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Add 45/81 and 54/56

45/81 + 54/56 is 383/252.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 56 is 4536

    Next, find the equivalent fraction of both fractional numbers with denominator 4536
  2. For the 1st fraction, since 81 × 56 = 4536,
    45/81 = 45 × 56/81 × 56 = 2520/4536
  3. Likewise, for the 2nd fraction, since 56 × 81 = 4536,
    54/56 = 54 × 81/56 × 81 = 4374/4536
  4. Add the two like fractions:
    2520/4536 + 4374/4536 = 2520 + 4374/4536 = 6894/4536
  5. 6894/4536 simplified gives 383/252
  6. So, 45/81 + 54/56 = 383/252
    In mixed form: 1131/252

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