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Add 90/40 and 25/81

1st number: 2 10/40, 2nd number: 25/81

90/40 + 25/81 is 829/324.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 81 is 3240
  2. For the 1st fraction, since 40 × 81 = 3240,
    90/40 = 90 × 81/40 × 81 = 7290/3240
  3. Likewise, for the 2nd fraction, since 81 × 40 = 3240,
    25/81 = 25 × 40/81 × 40 = 1000/3240
  4. Add the two fractions:
    7290/3240 + 1000/3240 = 7290 + 1000/3240 = 8290/3240
  5. 8290/3240 simplified gives 829/324
  6. So, 90/40 + 25/81 = 829/324
    In mixed form: 2181/324

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