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Add 90/81 and 4/15

1st number: 1 9/81, 2nd number: 4/15

90/81 + 4/15 is 62/45.

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,
    90/81 = 90 × 5/81 × 5 = 450/405
  3. Likewise, for the 2nd fraction, since 15 × 27 = 405,
    4/15 = 4 × 27/15 × 27 = 108/405
  4. Add the two like fractions:
    450/405 + 108/405 = 450 + 108/405 = 558/405
  5. 558/405 simplified gives 62/45
  6. So, 90/81 + 4/15 = 62/45
    In mixed form: 117/45

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