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Add 28/40 and 5/54

28/40 + 5/54 is 107/135.

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,
    5/54 = 5 × 20/54 × 20 = 100/1080
  4. Add the two like fractions:
    756/1080 + 100/1080 = 756 + 100/1080 = 856/1080
  5. 856/1080 simplified gives 107/135
  6. So, 28/40 + 5/54 = 107/135

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