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Add 42/5 and 4/81

1st number: 8 2/5, 2nd number: 4/81

42/5 + 4/81 is 3422/405.

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,
    42/5 = 42 × 81/5 × 81 = 3402/405
  3. Likewise, for the 2nd fraction, since 81 × 5 = 405,
    4/81 = 4 × 5/81 × 5 = 20/405
  4. Add the two like fractions:
    3402/405 + 20/405 = 3402 + 20/405 = 3422/405
  5. So, 42/5 + 4/81 = 3422/405
    In mixed form: 8182/405

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