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Subtract 18/5 from 4/70

1st number: 4/70, 2nd number: 3 3/5

4/70 - 18/5 is -124/35.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 5 is 70

    Next, find the equivalent fraction of both fractional numbers with denominator 70
  2. For the 1st fraction, since 70 × 1 = 70,
    4/70 = 4 × 1/70 × 1 = 4/70
  3. Likewise, for the 2nd fraction, since 5 × 14 = 70,
    18/5 = 18 × 14/5 × 14 = 252/70
  4. Subtract the two like fractions:
    4/70 - 252/70 = 4 - 252/70 = -248/70
  5. After reducing the fraction, the answer is -124/35

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