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Add 12/14 and 42/63

12/14 + 42/63 is 32/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 63 is 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,
    42/63 = 42 × 2/63 × 2 = 84/126
  4. Add the two fractions:
    108/126 + 84/126 = 108 + 84/126 = 192/126
  5. 192/126 simplified gives 32/21
  6. So, 12/14 + 42/63 = 32/21
    In mixed form: 111/21

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