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Add 40/5 and 16/81

1st number: 8 0/5, 2nd number: 16/81

40/5 + 16/81 is 664/81.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 81 is 405

    Next, find the equivalent fraction of both fractional numbers with denominator 405
  2. For the 1st fraction, since 5 × 81 = 405,
    40/5 = 40 × 81/5 × 81 = 3240/405
  3. Likewise, for the 2nd fraction, since 81 × 5 = 405,
    16/81 = 16 × 5/81 × 5 = 80/405
  4. Add the two like fractions:
    3240/405 + 80/405 = 3240 + 80/405 = 3320/405
  5. 3320/405 simplified gives 664/81
  6. So, 40/5 + 16/81 = 664/81
    In mixed form: 816/81

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