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Subtract 3/7 from 2/3

2/3 - 3/7 is 5/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 7 is 21
  2. For the 1st fraction, since 3 × 7 = 21,
    2/3 = 2 × 7/3 × 7 = 14/21
  3. Likewise, for the 2nd fraction, since 7 × 3 = 21,
    3/7 = 3 × 3/7 × 3 = 9/21
  4. Subtract the two fractions:
    14/21 - 9/21 = 14 - 9/21 = 5/21

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