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Subtract 14/40 from 1/7

1/7 - 14/40 is -29/140.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 40 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 7 × 40 = 280,
    1/7 = 1 × 40/7 × 40 = 40/280
  3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
    14/40 = 14 × 7/40 × 7 = 98/280
  4. Subtract the two like fractions:
    40/280 - 98/280 = 40 - 98/280 = -58/280
  5. After reducing the fraction, the answer is -29/140

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