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Subtract 49/20 from 3/35

1st number: 3/35, 2nd number: 2 9/20

3/35 - 49/20 is -331/140.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 20 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 35 × 4 = 140,
    3/35 = 3 × 4/35 × 4 = 12/140
  3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
    49/20 = 49 × 7/20 × 7 = 343/140
  4. Subtract the two like fractions:
    12/140 - 343/140 = 12 - 343/140 = -331/140

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