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Subtract 2/6 from 7/21

7/21 - 2/6 is 0/1.

Steps for subtracting 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,
    7/21 = 7 × 2/21 × 2 = 14/42
  3. Likewise, for the 2nd fraction, since 6 × 7 = 42,
    2/6 = 2 × 7/6 × 7 = 14/42
  4. Subtract the two fractions:
    14/42 - 14/42 = 14 - 14/42 = 0/42
  5. The answer is 0

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