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Add 7/14 and 84/81

1st number: 7/14, 2nd number: 1 3/81

7/14 + 84/81 is 83/54.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 81 is 1134
  2. For the 1st fraction, since 14 × 81 = 1134,
    7/14 = 7 × 81/14 × 81 = 567/1134
  3. Likewise, for the 2nd fraction, since 81 × 14 = 1134,
    84/81 = 84 × 14/81 × 14 = 1176/1134
  4. Add the two fractions:
    567/1134 + 1176/1134 = 567 + 1176/1134 = 1743/1134
  5. After reducing the fraction, the answer is 83/54
  6. In mixed form: 129/54

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