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Subtract 12/10 from 1/7

1st number: 1/7, 2nd number: 1 2/10

1/7 - 12/10 is -37/35.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 10 is 70
  2. For the 1st fraction, since 7 × 10 = 70,
    1/7 = 1 × 10/7 × 10 = 10/70
  3. Likewise, for the 2nd fraction, since 10 × 7 = 70,
    12/10 = 12 × 7/10 × 7 = 84/70
  4. Subtract the two fractions:
    10/70 - 84/70 = 10 - 84/70 = -74/70
  5. After reducing the fraction, the answer is -37/35

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