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Add 21/6 and 5/21

1st number: 3 3/6, 2nd number: 5/21

21/6 + 5/21 is 157/42.

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,
    21/6 = 21 × 7/6 × 7 = 147/42
  3. Likewise, for the 2nd fraction, since 21 × 2 = 42,
    5/21 = 5 × 2/21 × 2 = 10/42
  4. Add the two fractions:
    147/42 + 10/42 = 147 + 10/42 = 157/42
  5. In mixed form: 331/42

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