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Add 10/27 and 18/40

10/27 + 18/40 is 443/540.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 40 is 1080

    Next, find the equivalent fraction of both fractional numbers with denominator 1080
  2. For the 1st fraction, since 27 × 40 = 1080,
    10/27 = 10 × 40/27 × 40 = 400/1080
  3. Likewise, for the 2nd fraction, since 40 × 27 = 1080,
    18/40 = 18 × 27/40 × 27 = 486/1080
  4. Add the two like fractions:
    400/1080 + 486/1080 = 400 + 486/1080 = 886/1080
  5. 886/1080 simplified gives 443/540
  6. So, 10/27 + 18/40 = 443/540

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