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Add 72/6 and 2/21

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

72/6 + 2/21 is 254/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 21 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 21 × 2 = 42,
    2/21 = 2 × 2/21 × 2 = 4/42
  4. Add the two fractions:
    504/42 + 4/42 = 504 + 4/42 = 508/42
  5. 508/42 simplified gives 254/21
  6. So, 72/6 + 2/21 = 254/21
    In mixed form: 122/21

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