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Subtract 5/70 from 3/18

3/18 - 5/70 is 2/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 70 is 630
  2. For the 1st fraction, since 18 × 35 = 630,
    3/18 = 3 × 35/18 × 35 = 105/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    5/70 = 5 × 9/70 × 9 = 45/630
  4. Subtract the two fractions:
    105/630 - 45/630 = 105 - 45/630 = 60/630
  5. After reducing the fraction, the answer is 2/21

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