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Subtract 8/49 from 5/40

5/40 - 8/49 is -15/392.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 49 is 1960

    Next, find the equivalent fraction of both fractional numbers with denominator 1960
  2. For the 1st fraction, since 40 × 49 = 1960,
    5/40 = 5 × 49/40 × 49 = 245/1960
  3. Likewise, for the 2nd fraction, since 49 × 40 = 1960,
    8/49 = 8 × 40/49 × 40 = 320/1960
  4. Subtract the two like fractions:
    245/1960 - 320/1960 = 245 - 320/1960 = -75/1960
  5. After reducing the fraction, the answer is -15/392

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