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Add 80/15 and 7/81

1st number: 5 5/15, 2nd number: 7/81

80/15 + 7/81 is 439/81.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 81 is 405

    Next, find the equivalent fraction of both fractional numbers with denominator 405
  2. For the 1st fraction, since 15 × 27 = 405,
    80/15 = 80 × 27/15 × 27 = 2160/405
  3. Likewise, for the 2nd fraction, since 81 × 5 = 405,
    7/81 = 7 × 5/81 × 5 = 35/405
  4. Add the two like fractions:
    2160/405 + 35/405 = 2160 + 35/405 = 2195/405
  5. 2195/405 simplified gives 439/81
  6. So, 80/15 + 7/81 = 439/81
    In mixed form: 534/81

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