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Subtract 20/70 from 15/25

15/25 - 20/70 is 11/35.

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,
    15/25 = 15 × 14/25 × 14 = 210/350
  3. Likewise, for the 2nd fraction, since 70 × 5 = 350,
    20/70 = 20 × 5/70 × 5 = 100/350
  4. Subtract the two fractions:
    210/350 - 100/350 = 210 - 100/350 = 110/350
  5. After reducing the fraction, the answer is 11/35

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