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Add 81/18 and 80/14

1st number: 4 9/18, 2nd number: 5 10/14

81/18 + 80/14 is 143/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 14 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 18 × 7 = 126,
    81/18 = 81 × 7/18 × 7 = 567/126
  3. Likewise, for the 2nd fraction, since 14 × 9 = 126,
    80/14 = 80 × 9/14 × 9 = 720/126
  4. Add the two like fractions:
    567/126 + 720/126 = 567 + 720/126 = 1287/126
  5. 1287/126 simplified gives 143/14
  6. So, 81/18 + 80/14 = 143/14
    In mixed form: 103/14

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