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Add 25/54 and 18/40

25/54 + 18/40 is 493/540.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 1080
  2. For the 1st fraction, since 54 × 20 = 1080,
    25/54 = 25 × 20/54 × 20 = 500/1080
  3. Likewise, for the 2nd fraction, since 40 × 27 = 1080,
    18/40 = 18 × 27/40 × 27 = 486/1080
  4. Add the two like fractions:
    500/1080 + 486/1080 = 500 + 486/1080 = 986/1080
  5. 986/1080 simplified gives 493/540
  6. So, 25/54 + 18/40 = 493/540

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