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Add 54/18 and 30/63

1st number: 3 0/18, 2nd number: 30/63

54/18 + 30/63 is 73/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 63 is 126
  2. For the 1st fraction, since 18 × 7 = 126,
    54/18 = 54 × 7/18 × 7 = 378/126
  3. Likewise, for the 2nd fraction, since 63 × 2 = 126,
    30/63 = 30 × 2/63 × 2 = 60/126
  4. Add the two fractions:
    378/126 + 60/126 = 378 + 60/126 = 438/126
  5. 438/126 simplified gives 73/21
  6. So, 54/18 + 30/63 = 73/21
    In mixed form: 310/21

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