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Subtract 20/70 from 6/25

6/25 - 20/70 is -8/175.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 70 is 350
  2. For the 1st fraction, since 25 × 14 = 350,
    6/25 = 6 × 14/25 × 14 = 84/350
  3. Likewise, for the 2nd fraction, since 70 × 5 = 350,
    20/70 = 20 × 5/70 × 5 = 100/350
  4. Subtract the two fractions:
    84/350 - 100/350 = 84 - 100/350 = -16/350
  5. After reducing the fraction, the answer is -8/175

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