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Add 72/6 and 36/42

1st number: 12 0/6, 2nd number: 36/42

72/6 + 36/42 is 90/7.

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,
    36/42 = 36 × 1/42 × 1 = 36/42
  4. Add the two like fractions:
    504/42 + 36/42 = 504 + 36/42 = 540/42
  5. 540/42 simplified gives 90/7
  6. So, 72/6 + 36/42 = 90/7
    In mixed form: 126/7

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