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Subtract 3/9 from 5/70

5/70 - 3/9 is -11/42.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 9 is 630
  2. For the 1st fraction, since 70 × 9 = 630,
    5/70 = 5 × 9/70 × 9 = 45/630
  3. Likewise, for the 2nd fraction, since 9 × 70 = 630,
    3/9 = 3 × 70/9 × 70 = 210/630
  4. Subtract the two fractions:
    45/630 - 210/630 = 45 - 210/630 = -165/630
  5. After reducing the fraction, the answer is -11/42

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