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Subtract 12/7 from 1/2

1st number: 1/2, 2nd number: 1 5/7

1/2 - 12/7 is -17/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 7 is 14
  2. For the 1st fraction, since 2 × 7 = 14,
    1/2 = 1 × 7/2 × 7 = 7/14
  3. Likewise, for the 2nd fraction, since 7 × 2 = 14,
    12/7 = 12 × 2/7 × 2 = 24/14
  4. Subtract the two fractions:
    7/14 - 24/14 = 7 - 24/14 = -17/14

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