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Add 1/81 and 7/15

1/81 + 7/15 is 194/405.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 405
  2. For the 1st fraction, since 81 × 5 = 405,
    1/81 = 1 × 5/81 × 5 = 5/405
  3. Likewise, for the 2nd fraction, since 15 × 27 = 405,
    7/15 = 7 × 27/15 × 27 = 189/405
  4. Add the two like fractions:
    5/405 + 189/405 = 5 + 189/405 = 194/405
  5. So, 1/81 + 7/15 = 194/405

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