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Add 1/21 and 1/6

1/21 + 1/6 is 3/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 6 is 42
  2. For the 1st fraction, since 21 × 2 = 42,
    1/21 = 1 × 2/21 × 2 = 2/42
  3. Likewise, for the 2nd fraction, since 6 × 7 = 42,
    1/6 = 1 × 7/6 × 7 = 7/42
  4. Add the two fractions:
    2/42 + 7/42 = 2 + 7/42 = 9/42
  5. 9/42 simplified gives 3/14
  6. So, 1/21 + 1/6 = 3/14

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