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Add 90/56 and 81/54

1st number: 1 34/56, 2nd number: 1 27/54

90/56 + 81/54 is 87/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 54 is 1512

    Next, find the equivalent fraction of both fractional numbers with denominator 1512
  2. For the 1st fraction, since 56 × 27 = 1512,
    90/56 = 90 × 27/56 × 27 = 2430/1512
  3. Likewise, for the 2nd fraction, since 54 × 28 = 1512,
    81/54 = 81 × 28/54 × 28 = 2268/1512
  4. Add the two like fractions:
    2430/1512 + 2268/1512 = 2430 + 2268/1512 = 4698/1512
  5. 4698/1512 simplified gives 87/28
  6. So, 90/56 + 81/54 = 87/28
    In mixed form: 33/28

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