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Subtract 4/20 from 16/9

1st number: 1 7/9, 2nd number: 4/20

16/9 - 4/20 is 71/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 20 is 180
  2. For the 1st fraction, since 9 × 20 = 180,
    16/9 = 16 × 20/9 × 20 = 320/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    4/20 = 4 × 9/20 × 9 = 36/180
  4. Subtract the two fractions:
    320/180 - 36/180 = 320 - 36/180 = 284/180
  5. After reducing the fraction, the answer is 71/45
  6. In mixed form: 126/45

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