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Add 81/4 and 12/63

1st number: 20 1/4, 2nd number: 12/63

81/4 + 12/63 is 1717/84.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 63 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 4 × 63 = 252,
    81/4 = 81 × 63/4 × 63 = 5103/252
  3. Likewise, for the 2nd fraction, since 63 × 4 = 252,
    12/63 = 12 × 4/63 × 4 = 48/252
  4. Add the two like fractions:
    5103/252 + 48/252 = 5103 + 48/252 = 5151/252
  5. 5151/252 simplified gives 1717/84
  6. So, 81/4 + 12/63 = 1717/84
    In mixed form: 2037/84

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