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Add 9/84 and 90/81

1st number: 9/84, 2nd number: 1 9/81

9/84 + 90/81 is 307/252.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 81 is 2268

    Next, find the equivalent fraction of both fractional numbers with denominator 2268
  2. For the 1st fraction, since 84 × 27 = 2268,
    9/84 = 9 × 27/84 × 27 = 243/2268
  3. Likewise, for the 2nd fraction, since 81 × 28 = 2268,
    90/81 = 90 × 28/81 × 28 = 2520/2268
  4. Add the two like fractions:
    243/2268 + 2520/2268 = 243 + 2520/2268 = 2763/2268
  5. 2763/2268 simplified gives 307/252
  6. So, 9/84 + 90/81 = 307/252
    In mixed form: 155/252

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