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Add 81/18 and 12/7

1st number: 4 9/18, 2nd number: 1 5/7

81/18 + 12/7 is 87/14.

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,
    12/7 = 12 × 18/7 × 18 = 216/126
  4. Add the two like fractions:
    567/126 + 216/126 = 567 + 216/126 = 783/126
  5. 783/126 simplified gives 87/14
  6. So, 81/18 + 12/7 = 87/14
    In mixed form: 63/14

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