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Add 1/21 and 3/14

1/21 + 3/14 is 11/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 14 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 14 × 3 = 42,
    3/14 = 3 × 3/14 × 3 = 9/42
  4. Add the two fractions:
    2/42 + 9/42 = 2 + 9/42 = 11/42

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