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Add 81/18 and 14/7

1st number: 4 9/18, 2nd number: 2 0/7

81/18 + 14/7 is 13/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 7 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 7 × 18 = 126,
    14/7 = 14 × 18/7 × 18 = 252/126
  4. Add the two like fractions:
    567/126 + 252/126 = 567 + 252/126 = 819/126
  5. 819/126 simplified gives 13/2
  6. So, 81/18 + 14/7 = 13/2
    In mixed form: 61/2

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