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Add 63/21 and 12/18

1st number: 3 0/21, 2nd number: 12/18

63/21 + 12/18 is 11/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 18 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 21 × 6 = 126,
    63/21 = 63 × 6/21 × 6 = 378/126
  3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
    12/18 = 12 × 7/18 × 7 = 84/126
  4. Add the two like fractions:
    378/126 + 84/126 = 378 + 84/126 = 462/126
  5. 462/126 simplified gives 11/3
  6. So, 63/21 + 12/18 = 11/3
    In mixed form: 32/3

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