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Add 81/18 and 30/63

1st number: 4 9/18, 2nd number: 30/63

81/18 + 30/63 is 209/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 63 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 63 × 2 = 126,
    30/63 = 30 × 2/63 × 2 = 60/126
  4. Add the two like fractions:
    567/126 + 60/126 = 567 + 60/126 = 627/126
  5. 627/126 simplified gives 209/42
  6. So, 81/18 + 30/63 = 209/42
    In mixed form: 441/42

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