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Add 90/81 and 10/5

1st number: 1 9/81, 2nd number: 2 0/5

90/81 + 10/5 is 28/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 5 is 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 5 × 81 = 405,
    10/5 = 10 × 81/5 × 81 = 810/405
  4. Add the two fractions:
    450/405 + 810/405 = 450 + 810/405 = 1260/405
  5. 1260/405 simplified gives 28/9
  6. So, 90/81 + 10/5 = 28/9
    In mixed form: 31/9

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