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Add 20/40 and 35/54

20/40 + 35/54 is 31/27.

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,
    20/40 = 20 × 27/40 × 27 = 540/1080
  3. Likewise, for the 2nd fraction, since 54 × 20 = 1080,
    35/54 = 35 × 20/54 × 20 = 700/1080
  4. Add the two like fractions:
    540/1080 + 700/1080 = 540 + 700/1080 = 1240/1080
  5. 1240/1080 simplified gives 31/27
  6. So, 20/40 + 35/54 = 31/27
    In mixed form: 14/27

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