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Add 90/16 and 25/81

1st number: 5 10/16, 2nd number: 25/81

90/16 + 25/81 is 3845/648.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 81 is 1296
  2. For the 1st fraction, since 16 × 81 = 1296,
    90/16 = 90 × 81/16 × 81 = 7290/1296
  3. Likewise, for the 2nd fraction, since 81 × 16 = 1296,
    25/81 = 25 × 16/81 × 16 = 400/1296
  4. Add the two fractions:
    7290/1296 + 400/1296 = 7290 + 400/1296 = 7690/1296
  5. 7690/1296 simplified gives 3845/648
  6. So, 90/16 + 25/81 = 3845/648
    In mixed form: 5605/648

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