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Add 81/3 and 70/40

1st number: 27 0/3, 2nd number: 1 30/40

81/3 + 70/40 is 115/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 40 is 120
  2. For the 1st fraction, since 3 × 40 = 120,
    81/3 = 81 × 40/3 × 40 = 3240/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    70/40 = 70 × 3/40 × 3 = 210/120
  4. Add the two fractions:
    3240/120 + 210/120 = 3240 + 210/120 = 3450/120
  5. After reducing the fraction, the answer is 115/4
  6. In mixed form: 283/4

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