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Add 72/6 and 9/42

1st number: 12 0/6, 2nd number: 9/42

72/6 + 9/42 is 171/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 42 is 42

    Next, find the equivalent fraction of both fractional numbers with denominator 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,
    9/42 = 9 × 1/42 × 1 = 9/42
  4. Add the two like fractions:
    504/42 + 9/42 = 504 + 9/42 = 513/42
  5. 513/42 simplified gives 171/14
  6. So, 72/6 + 9/42 = 171/14
    In mixed form: 123/14

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