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Subtract 4/20 from 15/50

15/50 - 4/20 is 1/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 20 is 100
  2. For the 1st fraction, since 50 × 2 = 100,
    15/50 = 15 × 2/50 × 2 = 30/100
  3. Likewise, for the 2nd fraction, since 20 × 5 = 100,
    4/20 = 4 × 5/20 × 5 = 20/100
  4. Subtract the two fractions:
    30/100 - 20/100 = 30 - 20/100 = 10/100
  5. After reducing the fraction, the answer is 1/10

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