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Subtract 42/40 from 8/14

1st number: 8/14, 2nd number: 1 2/40

8/14 - 42/40 is -67/140.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 40 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 14 × 20 = 280,
    8/14 = 8 × 20/14 × 20 = 160/280
  3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
    42/40 = 42 × 7/40 × 7 = 294/280
  4. Subtract the two like fractions:
    160/280 - 294/280 = 160 - 294/280 = -134/280
  5. After reducing the fraction, the answer is -67/140

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