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Subtract 35/30 from 1/40

1st number: 1/40, 2nd number: 1 5/30

1/40 - 35/30 is -137/120.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 30 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 40 × 3 = 120,
    1/40 = 1 × 3/40 × 3 = 3/120
  3. Likewise, for the 2nd fraction, since 30 × 4 = 120,
    35/30 = 35 × 4/30 × 4 = 140/120
  4. Subtract the two like fractions:
    3/120 - 140/120 = 3 - 140/120 = -137/120

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