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Subtract 21/84 from 8/14

8/14 - 21/84 is 9/28.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 84 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 14 × 6 = 84,
    8/14 = 8 × 6/14 × 6 = 48/84
  3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
    21/84 = 21 × 1/84 × 1 = 21/84
  4. Subtract the two like fractions:
    48/84 - 21/84 = 48 - 21/84 = 27/84
  5. After reducing the fraction, the answer is 9/28

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