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Add 5/6 and 81/90

5/6 + 81/90 is 26/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 90 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 6 × 15 = 90,
    5/6 = 5 × 15/6 × 15 = 75/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    81/90 = 81 × 1/90 × 1 = 81/90
  4. Add the two like fractions:
    75/90 + 81/90 = 75 + 81/90 = 156/90
  5. 156/90 simplified gives 26/15
  6. So, 5/6 + 81/90 = 26/15
    In mixed form: 111/15

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