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Subtract 30/70 from 3/35

3/35 - 30/70 is -12/35.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 70 is 70

    Next, find the equivalent fraction of both fractional numbers with denominator 70
  2. For the 1st fraction, since 35 × 2 = 70,
    3/35 = 3 × 2/35 × 2 = 6/70
  3. Likewise, for the 2nd fraction, since 70 × 1 = 70,
    30/70 = 30 × 1/70 × 1 = 30/70
  4. Subtract the two like fractions:
    6/70 - 30/70 = 6 - 30/70 = -24/70
  5. After reducing the fraction, the answer is -12/35

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