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Subtract 3/63 from 5/70

5/70 - 3/63 is 1/42.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 63 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 63 × 10 = 630,
    3/63 = 3 × 10/63 × 10 = 30/630
  4. Subtract the two fractions:
    45/630 - 30/630 = 45 - 30/630 = 15/630
  5. After reducing the fraction, the answer is 1/42

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