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Add 28/40 and 35/54

28/40 + 35/54 is 182/135.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 54 is 1080

    Next, find the equivalent fraction of both fractional numbers with denominator 1080
  2. For the 1st fraction, since 40 × 27 = 1080,
    28/40 = 28 × 27/40 × 27 = 756/1080
  3. Likewise, for the 2nd fraction, since 54 × 20 = 1080,
    35/54 = 35 × 20/54 × 20 = 700/1080
  4. Add the two like fractions:
    756/1080 + 700/1080 = 756 + 700/1080 = 1456/1080
  5. 1456/1080 simplified gives 182/135
  6. So, 28/40 + 35/54 = 182/135
    In mixed form: 147/135

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