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Subtract 1/20 from 9/5

1st number: 1 4/5, 2nd number: 1/20

9/5 - 1/20 is 7/4.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 20 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 5 × 4 = 20,
    9/5 = 9 × 4/5 × 4 = 36/20
  3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
    1/20 = 1 × 1/20 × 1 = 1/20
  4. Subtract the two like fractions:
    36/20 - 1/20 = 36 - 1/20 = 35/20
  5. After reducing the fraction, the answer is 7/4
  6. In mixed form: 13/4

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