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Add 81/7 and 40/18

1st number: 11 4/7, 2nd number: 2 4/18

81/7 + 40/18 is 869/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 18 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 7 × 18 = 126,
    81/7 = 81 × 18/7 × 18 = 1458/126
  3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
    40/18 = 40 × 7/18 × 7 = 280/126
  4. Add the two like fractions:
    1458/126 + 280/126 = 1458 + 280/126 = 1738/126
  5. 1738/126 simplified gives 869/63
  6. So, 81/7 + 40/18 = 869/63
    In mixed form: 1350/63

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