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Subtract 12/16 from 1/7

1/7 - 12/16 is -17/28.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 16 is 112

    Next, find the equivalent fraction of both fractional numbers with denominator 112
  2. For the 1st fraction, since 7 × 16 = 112,
    1/7 = 1 × 16/7 × 16 = 16/112
  3. Likewise, for the 2nd fraction, since 16 × 7 = 112,
    12/16 = 12 × 7/16 × 7 = 84/112
  4. Subtract the two like fractions:
    16/112 - 84/112 = 16 - 84/112 = -68/112
  5. After reducing the fraction, the answer is -17/28

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