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Subtract 35/30 from 10/40

1st number: 10/40, 2nd number: 1 5/30

10/40 - 35/30 is -11/12.

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,
    10/40 = 10 × 3/40 × 3 = 30/120
  3. Likewise, for the 2nd fraction, since 30 × 4 = 120,
    35/30 = 35 × 4/30 × 4 = 140/120
  4. Subtract the two like fractions:
    30/120 - 140/120 = 30 - 140/120 = -110/120
  5. After reducing the fraction, the answer is -11/12

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