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Subtract 5/20 from 30/35

30/35 - 5/20 is 17/28.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 20 is 140
  2. For the 1st fraction, since 35 × 4 = 140,
    30/35 = 30 × 4/35 × 4 = 120/140
  3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
    5/20 = 5 × 7/20 × 7 = 35/140
  4. Subtract the two fractions:
    120/140 - 35/140 = 120 - 35/140 = 85/140
  5. After reducing the fraction, the answer is 17/28

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