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Subtract 16/5 from 20/4

1st number: 5 0/4, 2nd number: 3 1/5

20/4 - 16/5 is 9/5.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 5 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 4 × 5 = 20,
    20/4 = 20 × 5/4 × 5 = 100/20
  3. Likewise, for the 2nd fraction, since 5 × 4 = 20,
    16/5 = 16 × 4/5 × 4 = 64/20
  4. Subtract the two like fractions:
    100/20 - 64/20 = 100 - 64/20 = 36/20
  5. After reducing the fraction, the answer is 9/5
  6. In mixed form: 14/5

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