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Add 5/6 and 8/21

5/6 + 8/21 is 17/14.

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,
    5/6 = 5 × 7/6 × 7 = 35/42
  3. Likewise, for the 2nd fraction, since 21 × 2 = 42,
    8/21 = 8 × 2/21 × 2 = 16/42
  4. Add the two fractions:
    35/42 + 16/42 = 35 + 16/42 = 51/42
  5. 51/42 simplified gives 17/14
  6. So, 5/6 + 8/21 = 17/14
    In mixed form: 13/14

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