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Add 12/4 and 5/81

1st number: 3 0/4, 2nd number: 5/81

12/4 + 5/81 is 248/81.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 81 is 324
  2. For the 1st fraction, since 4 × 81 = 324,
    12/4 = 12 × 81/4 × 81 = 972/324
  3. Likewise, for the 2nd fraction, since 81 × 4 = 324,
    5/81 = 5 × 4/81 × 4 = 20/324
  4. Add the two fractions:
    972/324 + 20/324 = 972 + 20/324 = 992/324
  5. After reducing the fraction, the answer is 248/81
  6. In mixed form: 35/81

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