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Subtract 6/70 from 3/63

3/63 - 6/70 is -4/105.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 70 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 63 × 10 = 630,
    3/63 = 3 × 10/63 × 10 = 30/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    6/70 = 6 × 9/70 × 9 = 54/630
  4. Subtract the two like fractions:
    30/630 - 54/630 = 30 - 54/630 = -24/630
  5. After reducing the fraction, the answer is -4/105

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