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Subtract 36/40 from 1/98

1/98 - 36/40 is -218/245.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 40 is 1960

    Next, find the equivalent fraction of both fractional numbers with denominator 1960
  2. For the 1st fraction, since 98 × 20 = 1960,
    1/98 = 1 × 20/98 × 20 = 20/1960
  3. Likewise, for the 2nd fraction, since 40 × 49 = 1960,
    36/40 = 36 × 49/40 × 49 = 1764/1960
  4. Subtract the two like fractions:
    20/1960 - 1764/1960 = 20 - 1764/1960 = -1744/1960
  5. After reducing the fraction, the answer is -218/245

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