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Add 6/81 and 3/40

6/81 + 3/40 is 161/1080.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 40 is 3240

    Next, find the equivalent fraction of both fractional numbers with denominator 3240
  2. For the 1st fraction, since 81 × 40 = 3240,
    6/81 = 6 × 40/81 × 40 = 240/3240
  3. Likewise, for the 2nd fraction, since 40 × 81 = 3240,
    3/40 = 3 × 81/40 × 81 = 243/3240
  4. Add the two like fractions:
    240/3240 + 243/3240 = 240 + 243/3240 = 483/3240
  5. 483/3240 simplified gives 161/1080
  6. So, 6/81 + 3/40 = 161/1080

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