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Add 72/6 and 63/42

1st number: 12 0/6, 2nd number: 1 21/42

72/6 + 63/42 is 27/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 42 is 42
  2. For the 1st fraction, since 6 × 7 = 42,
    72/6 = 72 × 7/6 × 7 = 504/42
  3. Likewise, for the 2nd fraction, since 42 × 1 = 42,
    63/42 = 63 × 1/42 × 1 = 63/42
  4. Add the two fractions:
    504/42 + 63/42 = 504 + 63/42 = 567/42
  5. After reducing the fraction, the answer is 27/2
  6. In mixed form: 131/2

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