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Add 90/8 and 75/81

1st number: 11 2/8, 2nd number: 75/81

90/8 + 75/81 is 1315/108.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 81 is 648
  2. For the 1st fraction, since 8 × 81 = 648,
    90/8 = 90 × 81/8 × 81 = 7290/648
  3. Likewise, for the 2nd fraction, since 81 × 8 = 648,
    75/81 = 75 × 8/81 × 8 = 600/648
  4. Add the two fractions:
    7290/648 + 600/648 = 7290 + 600/648 = 7890/648
  5. 7890/648 simplified gives 1315/108
  6. So, 90/8 + 75/81 = 1315/108
    In mixed form: 1219/108

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