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Add 7/14 and 40/81

7/14 + 40/81 is 161/162.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 81 is 1134

    Next, find the equivalent fraction of both fractional numbers with denominator 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,
    40/81 = 40 × 14/81 × 14 = 560/1134
  4. Add the two like fractions:
    567/1134 + 560/1134 = 567 + 560/1134 = 1127/1134
  5. 1127/1134 simplified gives 161/162
  6. So, 7/14 + 40/81 = 161/162

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