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Add 63/18 and 40/7

1st number: 3 9/18, 2nd number: 5 5/7

63/18 + 40/7 is 129/14.

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,
    63/18 = 63 × 7/18 × 7 = 441/126
  3. Likewise, for the 2nd fraction, since 7 × 18 = 126,
    40/7 = 40 × 18/7 × 18 = 720/126
  4. Add the two like fractions:
    441/126 + 720/126 = 441 + 720/126 = 1161/126
  5. 1161/126 simplified gives 129/14
  6. So, 63/18 + 40/7 = 129/14
    In mixed form: 93/14

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