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Subtract 35/70 from 7/63

7/63 - 35/70 is -7/18.

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,
    7/63 = 7 × 10/63 × 10 = 70/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    35/70 = 35 × 9/70 × 9 = 315/630
  4. Subtract the two like fractions:
    70/630 - 315/630 = 70 - 315/630 = -245/630
  5. After reducing the fraction, the answer is -7/18

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