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Add 27/54 and 7/40

27/54 + 7/40 is 27/40.

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,
    27/54 = 27 × 20/54 × 20 = 540/1080
  3. Likewise, for the 2nd fraction, since 40 × 27 = 1080,
    7/40 = 7 × 27/40 × 27 = 189/1080
  4. Add the two like fractions:
    540/1080 + 189/1080 = 540 + 189/1080 = 729/1080
  5. 729/1080 simplified gives 27/40
  6. So, 27/54 + 7/40 = 27/40

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