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Subtract 3/21 from 8/14

8/14 - 3/21 is 3/7.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 21 is 42

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 14 × 3 = 42,
    8/14 = 8 × 3/14 × 3 = 24/42
  3. Likewise, for the 2nd fraction, since 21 × 2 = 42,
    3/21 = 3 × 2/21 × 2 = 6/42
  4. Subtract the two like fractions:
    24/42 - 6/42 = 24 - 6/42 = 18/42
  5. After reducing the fraction, the answer is 3/7

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