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Subtract 6/9 from 9/70

9/70 - 6/9 is -113/210.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 9 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 70 × 9 = 630,
    9/70 = 9 × 9/70 × 9 = 81/630
  3. Likewise, for the 2nd fraction, since 9 × 70 = 630,
    6/9 = 6 × 70/9 × 70 = 420/630
  4. Subtract the two like fractions:
    81/630 - 420/630 = 81 - 420/630 = -339/630
  5. After reducing the fraction, the answer is -113/210

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