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Add 12/14 and 54/63

12/14 + 54/63 is 12/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 63 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 14 × 9 = 126,
    12/14 = 12 × 9/14 × 9 = 108/126
  3. Likewise, for the 2nd fraction, since 63 × 2 = 126,
    54/63 = 54 × 2/63 × 2 = 108/126
  4. Add the two like fractions:
    108/126 + 108/126 = 108 + 108/126 = 216/126
  5. 216/126 simplified gives 12/7
  6. So, 12/14 + 54/63 = 12/7
    In mixed form: 15/7

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