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Add 15/40 and 24/54

15/40 + 24/54 is 59/72.

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,
    15/40 = 15 × 27/40 × 27 = 405/1080
  3. Likewise, for the 2nd fraction, since 54 × 20 = 1080,
    24/54 = 24 × 20/54 × 20 = 480/1080
  4. Add the two like fractions:
    405/1080 + 480/1080 = 405 + 480/1080 = 885/1080
  5. 885/1080 simplified gives 59/72
  6. So, 15/40 + 24/54 = 59/72

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