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Subtract 8/70 from 3/9

3/9 - 8/70 is 23/105.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 9 × 70 = 630,
    3/9 = 3 × 70/9 × 70 = 210/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    8/70 = 8 × 9/70 × 9 = 72/630
  4. Subtract the two like fractions:
    210/630 - 72/630 = 210 - 72/630 = 138/630
  5. After reducing the fraction, the answer is 23/105

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