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Subtract 1/20 from 5/28

5/28 - 1/20 is 9/70.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 20 is 140
  2. For the 1st fraction, since 28 × 5 = 140,
    5/28 = 5 × 5/28 × 5 = 25/140
  3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
    1/20 = 1 × 7/20 × 7 = 7/140
  4. Subtract the two fractions:
    25/140 - 7/140 = 25 - 7/140 = 18/140
  5. After reducing the fraction, the answer is 9/70

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