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Subtract 8/14 from 21/2

1st number: 10 1/2, 2nd number: 8/14

21/2 - 8/14 is 139/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 14 is 14
  2. For the 1st fraction, since 2 × 7 = 14,
    21/2 = 21 × 7/2 × 7 = 147/14
  3. Likewise, for the 2nd fraction, since 14 × 1 = 14,
    8/14 = 8 × 1/14 × 1 = 8/14
  4. Subtract the two fractions:
    147/14 - 8/14 = 147 - 8/14 = 139/14
  5. In mixed form: 913/14

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